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THE PORTASKAIG TILLITE SUCCESSION (DALRADIAN) OF CO. DONEGAL.HOWARTH RJ.1971; PROC. R. IRISH ACAD., B; IRL; 1971, VOL. 71, NUM. 0001, P. 1 A 35Miscellaneous

THE PATTERN RECOGNITION PROBLEM IN APPLIED GEOCHEMISTRYHOWARTH RJ.sdIN: GEOCHEM. EXPLOR. PROC. 4TH. INT. SYMP.; LONDON; 1972; LONDON INST. MIN. METAL. ,1973, P. 259 A 273Miscellaneous

CARTOGRAPHY IN GEOCHEMICAL EXPLORATION = LA CARTOGRAPHIE EN EXPLORATION GEOCHIMIQUEHOWARTH RJ.1977; SCI. TERRE, INFORM. GEOL.; ISSN 0335-9255; FRA; DA. 1977; NO 9; PP. 105-128; ABS. FRE/GER; BIBL. 4 P.Conference Paper

PRELIMINARY ASSESSMENT OF A NONLINEAR MAPPING ALGORITHM IN A GEOLOGICAL CONTEXTHOWARTH RJ.1973; J. INTERNATION. ASS. MATH. GEOL.; U.S.A. ; 1973, VOL. 5, NUM. 0001, P. 39 A 57Serial Issue

AN EMPIRICAL DISCRIMINANT METHOD APPLIED TO SEDIMENTARY-ROCK CLASSIFICATION FROM MAJOR-ELEMENT GEOCHEMISTRYHOWARTH RJ.sdJ. INTERNATION. ASS. MATH. GEOL.; U.S.A. ,1971, VOL. 3, NUM. 0001, P. 51 A 60Serial Issue

A MERGE UTILITY FOR FILES WITH MISSING RECORDS = PROGRAMME D'INTEGRATION DE FICHIERS INCOMPLETSHOWARTH RJ.1983; COMPUT. GEOSCI.; ISSN 546593; GBR; DA. 1983; VOL. 9; NO 2; PP. 269-272; BIBL. 1 REF.; 2 TAB. ; TABL.Article

FORTRAN IV PROGRAMS FOR EMPIRICAL DISCRIMINANT CLASSIFICATION OF SPATIAL DATAHOWARTH RJ.1973; GEOCON BULL.; G.B. ; 1973, VOL. 6, NUM. 0001-0002, P. 1 A 31Serial Issue

PRINCIPAL COMPONENTS ANALYSIS OF THE GEOCHEMISTRY AND MINERALOGY OF THE PORTASKAIG TILLITE AND KILTYFANNED SCHIST (DALRADIAN) OF CO. DONEGAL, EIRE.HOWARTH RJ.1970; J. INTERNATION. ASS. MATH. GEOL.; USA; 1970, VOL. 2, NUM. 0003, P. 285 A 302Miscellaneous

APPROXIMATE LEVELS OF SIGNIFICANCE FOR THE COS THETA COEFFICIENT.HOWARTH RJ.1977; COMPUTERS AND GEOSCI.; G.B.; DA. 1977; VOL. 3; NO 1; PP. 25-30; BIBL. 9 REF.; 5 ILL.Article

AUTOMATIC GENERATION OF RANDOMIZED SAMPLE SUBMITTAL SCHEMES FOR LABORATORY ANALYSIS.HOWARTH RJ.1977; COMPUTERS AND GEOSCI.; G.B.; DA. 1977; VOL. 3; NO 2; PP. 327-334; BIBL. 7 REF.Article

EMPIRICAL DISCRIMINANT CLASSIFICATION OF REGIONAL STREAM-SEDIMENT GEOCHEMISTRY IN DEVON AND EAST CORNWALL.HOWARTH RJ.1971; TRANS. INST. MIN. METALL., G.B; GBR; 1971(8), VOL. 20, NUM. 0777, P. 142 A 149Miscellaneous

THE ROLE OF DATA PROCESSING IN THE GEOLOGICAL SCIENCESHOWARTH RJ; LEAKE BE.1980; SCI. PROGR.; GBR; DA. 1980; VOL. 66; NO 263; PP. 295-329; H.T. 2; BIBL. 49 REF.Article

COMPUTER-BASED TECHNIQUES IN THE COMPILATION, MAPPING AND INTERPRETATION OF EXPLORATION GEOCHEMICAL DATAHOWARTH RJ; MARTIN L.1979; GEOL. SURV. CANADA, ECON. GEOL. REP.; CAN; DA. 1979; NO 31; PP. 545-574; ABS. FRE; BIBL. 7 P.; 11 ILL.Conference Paper

SAMPLING VARIABILITY OF STREAM SEDIMENTS IN BROAD-SCALE REGIONAL GEOCHEMICAL RECONNAISSANCE.HOWARTH RJ; LOWENSTEIN PL.1971; INST. MING METALLURGY, BULL., TRANS.; GBR; 1971, VOL. 80, NUM. 0780, P. 363 A 372Miscellaneous

AUTOMATED COLOUR-MAPPING OF THREE-COMPONENT SYSTEMS AND ITS APPLICATION TO REGIONAL GEOCHEMICAL RECONNAISSANCELOWENSTEIN PL; HOWARTH RJ.sdIN: GEOCHEM. EXPLOR. PROC. 4TH. INT. SYMP.; LONDON; 1972; LONDON INST. MIN. METAL. ,1973, P. 297 A 304Miscellaneous

APPLICATION OF A GENERALIZED POWER TRANSFORMATION TO GEOCHEMICAL DATAHOWARTH RJ; EARLE SAM.1979; J. INTERNATION. ASS. MATH. GEOL.; USA; DA. 1979; VOL. 11; NO 1; PP. 45-62; BIBL. 1 P.; 11 ILL.Article

DUPLICATE ANALYSIS IN GEOCHEMICAL PRACTICE. I. THEORETICAL APPROACH AND ESTIMATION OF ANALYTICAL REPRODUCIBILITY.THOMPSON M; HOWARTH RJ.1976; ANALYST; G.B.; DA. 1976; VOL. 101; NO 1206; PP. 690-698; BIBL. 17 REF.; 5 ILL.Article

THE RAPID ESTIMATION AND CONTROL OF PRECISION BY DUPLICATE DETERMINATIONSTHOMPSON M; HOWARTH RJ.1973; ANALYST; G.B.; DA. 1973; VOL. 98; NO 1164; PP. 153-160; BIBL. 7 REF.Serial Issue

THE FORAMINIFERIDA OF CHRISTCHURCH HARBOUR, ENGLAND : A REAPPRAISAL USING MULTIVARIATE TECHNIQUES.HOWARTH RJ; MURRAY JW.1969; J. PALEONTOL.; USA; 1969(5), VOL. 43, NUM. 0003, P. 660 A 675Miscellaneous

THE FREQUENCY DISTRIBUTION OF ANALYTICAL ERRORTHOMPSON M; HOWARTH RJ.1980; ANALYST (LOND.); ISSN 0003-2654; GBR; DA. 1980; VOL. 105; NO 1257; PP. 1188-1195; BIBL. 19 REF.Article

A NEW APPROACH TO THE ESTIMATION OF ANALYTICAL PRECISION.THOMPSON M; HOWARTH RJ.1978; J. GEOCHEM. EXPLOR.; NETHERL.; DA. 1978; VOL. 9; NO 1; PP. 23-30; BIBL. 3 REF.; 5 ILL.Article

DUPLICATE ANALYSIS IN GEOCHEMICAL PRACTICE. II. EXAMINATION OF PROPOSED METHOD AND EXAMPLES OF ITS USE.HOWARTH RJ; THOMPSON M.1976; ANALYST; G.B.; DA. 1976; VOL. 101; NO 1206; PP. 699-709; BIBL. 3 REF.; 11 ILL.Article

SAMPLING VARIABILITY OF STREAM SEDIMENTS IN BROAD-SCALE REGIONAL GEOCHEMICAL RECONNAISSANCE.HOWARTH RJ; LOWENSTEIN PL.1974; IN: GEOL. MIN. METALL. SAMPLING. PROC. MEET. INST. MIN. METALL.; LONDON; 1972, 1973; LONDON INST. MIN. METALL.,1974, P. 54 A 63Miscellaneous

APPLICATION OF THE EMPIRICAL DISCRIMINANT FUNCTION TO REGIONAL GEOCHEMICAL DATA FROM THE UNITED KINGDOM.CASTILLO MUNOZ R; HOWARTH RJ.1976; GEOL. SOC. AMER., BULL.; U.S.A.; DA. 1976; VOL. 87; NO 11; PP. 1567-1581; BIBL. 27 REF.; 24 ILL.Article

THE BOULDER BED SUCCESSION AT GLENCOLUMBKILLE,COUNTY DONEGAL.HOWARTH RJ; KILBURN C; LEAKE BE et al.1966; PROC. R. IRISH ACAD., B; IRL; 1966(10), P. 119 A 156Miscellaneous

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