Distribution spatiale de la concentration de fond du monoxyde de carbone des hémisphères nord et sudGABRIELYAN, A. G; GRECHKO, E. I; DZHOLA, A. V et al.Izvestiâ Akademii nauk SSSR. Fizika atmosfery i okeana. 1984, Vol 20, Num 11, pp 1131-1135, issn 0002-3515Article

Hintergrundwerte für Schwermetalle in Böden = Background values of heavy metal pollutionBACHMANN, G; SCHMIDT, S; BANNICK, C. G et al.Wasser und Boden. 1996, Vol 48, Num 4, issn 0043-0951, 2, 8-11 [5 p.]Article

Detecting elevated contamination by comparisons with backgroundLIGGETT, W.A.C.S. symposium series. 1984, Vol 267, pp 119-128, issn 0097-6156Article

Effect of background fluorophores on the NADH fluorescence probe signalNAM SUN WANG; SIMMONS, M. B.Biotechnology techniques. 1991, Vol 5, Num 4, pp 241-246, issn 0951-208XArticle

Methane concentrations and source strengths in urban locationsBLAKE, D. R; WOO, V. H; TYLER, S. C et al.Geophysical research letters. 1984, Vol 11, Num 12, pp 1211-1214, issn 0094-8276Article

Surface ozone during the second half of nineteenth centuryBOJKOV, R. D.Journal of climate and applied meteorology. 1986, Vol 25, Num 3, pp 343-352, issn 0733-3021Article

Determination of the concentration of chemical main and trace elements (chemical matrix) in the aerosol from 1972 to 1982 at a North-Alpine pure air mountain station at 1780 m a.s.l.. I: Methods of measurement, total concentrations, families of elements, annual variations, trend analysisREITER, R; PÖTZL, K; SLADKOVIC, R et al.Archives for meteorology, geophysics, and bioclimatology. Series B, Climatology, environmental meteorology, radiation research. 1984, Vol 34, Num 3, pp 215-241, issn 0066-6424Article

Radiative properties of the background aerosol: absorption component of extinctionCLARKE, A. D; CHARLSON, R. J.Science (Washington, D.C.). 1985, Vol 229, Num 4710, pp 263-265, issn 0036-8075Article

Etude du niveau et de l'origine de l'ozone à l'île de la Nouvelle Amsterdam = Study of the ozone level and origin on New Amsterdam Island1985, 7 p.Report

Experimental studies for the characterization of analytical performance in axially-observed inductively coupled plasma atomic emission spectrometrySCHRÖN, W; LIEBMANN, A.Fresenius' journal of analytical chemistry. 1998, Vol 361, Num 2, pp 207-210, issn 0937-0633Article

Observations of stratospheric ozone at the ground level in Regina, CanadaCHUNG, Y. S; DANN, T.Atmospheric environment. 1985, Vol 19, Num 1, pp 157-162, issn 0004-6981Article

DEFINITION UND BEDEUTUNG DES BACKGROUNDS FUER UMWELTSCHUTZBEZOGENE GEWAESSERKUNDLICHE UNTERSUCHUNGEN = DEFINITION ET SIGNIFICATION DU SECOND PLAN DANS LES ETUDES HYDROLOGIQUES SE RAPPORTANT A L'ENVIRONNEMENTHELLMANN H.1972; DTSCHE GEWAESSERKDL. MITT.; DTSCH.; DA. 1972; VOL. 16; NO 6; PP. 170-174; ABS. ANGL.; BIBL. 11 REF.Serial Issue

NATURAL FLUORINE LEVELS IN THE BLUFF AREA, NEW ZEALANDMANLEY TR; STEWART DJ; WHITE DA et al.1975; NEW ZEAL. J. SCI.; NEW ZEAL.; DA. 1975; VOL. 18; NO 3; PP. 433-440; BIBL. 1 P.; 1 ILL.Article

PROBLEMS OF CORRELATION OF GLOBAL AND LOCAL MONITORING OF AIR POLLUTIONBERLYAND ME; VOLBERG NS; LAVRINENKO RF et al.1982; ENVIRONMENTAL MONITORING AND ASSESSMENT; ISSN 0167-6369; NLD; DA. 1982; VOL. 2; NO 4; PP. 393-402; BIBL. 17 REF.Conference Paper

EMPLOI DES REGRESSIONS MULTIPLES POUR LA DEFINITION DU NIVEAU DE FOND DE LA POLLUTION URBAINE ET POUR SA PREVISION A COURT TERMEBENARIE M; BADELLON D; MENARD T et al.1972; POLLUT. ATMOSPH.; FR.; DA. 1972; VOL. 14; NO 53; PP. 29-41; BIBL. 9 REF.Serial Issue

A LEVEGOE REGIONALIS HATTERSZENNYEZTTSEGE MAGYARARSZAGON = POLLUTION DE FOND REGIONALE DE L'AIR EN HONGRIEMESZAROS E; HORVATH L.1980; IDOJARAS; HUN; DA. 1980; VOL. 84; NO 3; PP. 135-142; ABS. ENG; BIBL. 2 P.Article

DISTRIBUTION OF HEAVY METALS IN THE SEDIMENT OF AN UNPOLLUTED ESTUARINE ENVIRONMENT.TAYLOR D.1976; SCI. TOTAL ENVIRONMENT; NETHERL.; DA. 1976; VOL. 6; NO 3; PP. 259-264; BIBL. 9 REF.Article

EVIDENCE OF ATMOSPHERIC TRANSPORT OF OZONE INTO URBAN AREASCOFFEY PE; STASIUK WN.1975; ENVIRONMENT. SCI. TECHNOL.; U.S.A.; DA. 1975; VOL. 9; NO 1; PP. 59-62; BIBL. 5 REF.Article

ETUDE DE LA POLLUTION DE FOND DE L'AIR ET DES PRECIPITATIONSBOLANCA Z.1974; ARH. HIG. RADA TOKSIKOL.; JUGOSL.; DA. 1974; VOL. 25; NO 2; PP. 201-205; ABS. ANGL; (SIMP. KEM. OKOLIS; ZAGREB; 1973)Conference Paper

AN AIRBORNE GAMMA RAY SPECTROMETER AND ITS APPLICATION IN NUCLEAR POWER PLANT SITE SURVEYSFRYER GE; ADAMS JAS.1974; I.E.E.E. TRANS. NUCL. SCI.; U.S.A.; DA. 1974; VOL. 21; NO 1; PP. 572-584; BIBL. 15 REF.; (20TH NUCL. SCI. SYMP.; SAN FRANCISCO; 1973)Conference Paper

FACTEURS ET CONCEPT DE LA GESTION DES RESSOURCES EN AIRSZEPESI D.1974; IDOJARAS; MAGYAR.; DA. 1974; VOL. 78; NO 6; PP. 325-332; ABS. ANGL. RUSSE; BIBL. 2 REF.Article

LOW LEVEL DETERMINATIONS OF ENVIRONMENTAL CADMIUM.ROSMAN KJR; DE LAETER JR.1976; NATURE; G.B.; DA. 1976; VOL. 261; NO 5562; PP. 685-686; BIBL. 13 REF.Article

EMPLOI DES REGRESSIONS MULTIPLES POUR LA DEFINITION DU NIVEAU DE FONDBENARIE M; BADELLON D; MENARD T et al.1971; 91-VERT-LE-PETIT; INST. NATL RECH. CHIM. APPL.; DA. 1971; PP. (19 P.)Miscellaneous

Optimized threshold selection for single-molecule two-color fluorescence coincidence spectroscopyCLARKE, Richard W; ORTE, Angel; KLENERMAN, David et al.Analytical chemistry (Washington, DC). 2007, Vol 79, Num 7, pp 2771-2777, issn 0003-2700, 7 p.Article

Geochemical background- : concept and realityREIMANN, Clemens; GARRETT, Robert G.Science of the total environment. 2005, Vol 350, Num 1-3, pp 12-27, issn 0048-9697, 16 p.Article