OBSERVATIONS ON STELAR PARENCHYMA IN LEPIDIUM SATIVUM L. ROOTSPETERSON RL.1982; AM. J. BOT.; ISSN 0002-9122; USA; DA. 1982; VOL. 69; NO 6; PP. 1046-1048; BIBL. 12 REF.Article

CONTROL OF CAMBIAL ACTIVITY IN ROOTS OF TURNIP (BRASSICA RAPA) = CONTROLE DE L'ACTIVITE DU CAMBIUM DANS DES RACINES DE B.R.PETERSON RL.1973; CANAD. J. BOT.; CANADA; DA. 1973; VOL. 51; NO 2; PP. 475-480; H.T. 3; ABS. FR.; BIBL. 16 REF.Serial Issue

ROOT APEX STRUCTURE IN EPHEDRA NEVADENSISPETERSON RL.1983; CANADIAN JOURNAL OF BOTANY; ISSN 0008-4026; CAN; DA. 1983; VOL. 61; NO 1; PP. 267-278; ABS. FRE; BIBL. 28 REF.Article

SYSTEMATIC VARIATION IN THE TRISTIS GROUP OF THE BENTWINGED BATS OF THE GENUS MINIOPTERUS (CHIROPTERA: VESPERTILIONIDAE)PETERSON RL.1981; CAN. J. ZOOL.; ISSN 0008-4301; CAN; DA. 1981; VOL. 59; NO 5; PP. 828-843; ABS. FRE; BIBL. 34 REF.Article

ROOT BUDS IN HIERACIUM FLORENTINUM: EFFECTS OF NITROGEN AND OBSERVATIONS ON BUD OUTGROWTHPETERSON RL.1979; BOT. GAZ.; USA; DA. 1979; VOL. 140; NO 4; PP. 407-413; BIBL. 22 REF.Article

MATHEMATICAL MODELLING OF THE IMPEDANCE OF A JOSEPHSON JUNCTION NOISE THERMOMETERPETERSON RL.1981; J. APPL. PHYS.; ISSN 0021-8979; USA; DA. 1981; VOL. 52; NO 12; PP. 7321-7326; BIBL. 17 REF.Article

SPACE APPLICATIONS OF SUPERCONDUCTIVITY: INSTRUMENTATION FOR GRAVITATIONAL AND RELATED STUDIESPETERSON RL.1980; CRYOGENICS (SURREY); ISSN 0011-2275; GBR; DA. 1980; VOL. 20; NO 6; PP. 299-306; BIBL. 16 REF.Article

ANALOG-TO-DIGITAL CONVERSION WITH A SQUID: CONDITIONS FOR A COUNTABLE PULSE TRAINPETERSON RL.1979; J. APPL. PHYS.; ISSN 0021-8979; USA; DA. 1979; VOL. 50; NO 6; PP. 4231-4239; BIBL. 11 REF.Article

MAGNETOPHONON STRUCTURE IN THE LONGITUDINAL MAGNETORESISTANCE OF NONPOLAR SEMICONDUCTORSPETERSON RL.1972; PHYS. REV., B; U.S.A.; DA. 1972; VOL. 6; NO 10; PP. 3756-3764; BIBL. 29 REF.Serial Issue

GLANDULAR TRICHOMES ON THE INFLORESCENCE OF CHRYSANTHEMUM MORIFOLIUM CV. DRAMATIC (COMPOSITAE). II: ULTRASTRUCTURE AND HISTOCHEMISTRYVERMEER J; PETERSON RL.1979; CANAD. J. BOT.; CAN; DA. 1979; VOL. 57; NO 7; PP. 714-729; ABS. FRE; BIBL. 2 P.Article

THE ROOT ENDODERMIS IN RANUNCULUS ACRIS. II: HISTOCHEMISTRY OF THE ENDODERMIS AND THE SYNTHESIS OF PHENOLIC COMPOUNDS IN ROOTSSCOTT MG; PETERSON RL.1979; CANAD. J. BOT.; CAN; DA. 1979; VOL. 57; NO 9; PP. 1063-1077; ABS. FRE; BIBL. 40 REF.Article

TWO RECENT BOBCAT (LYNX RUFUS) SPECIMENS FROM SOUTHERN ONTARIO.NAGORSEN D; PETERSON RL.1977; CANAD. FIELD-NATURALIST; CANAD.; DA. 1977; VOL. 91; NO 1; PP. 98-100; BIBL. 5 REF.Article

STRUCTURE OF AERIAL AND SUBTERRANEAN ROOTS OF SELAGINELLA KRAUSSIANA A. BR.GREENVILLE DJ; PETERSON RL.1982; BOT. GAZ. (CHIC.); ISSN 0006-8071; USA; DA. 1982; VOL. 142; NO 1; PP. 73-81; BIBL. 22 REF.Article

ISOLATION OF A DWARF PLANT RESPONSIVE TO EXOGENOUS GA₃ FROM ANTHER CULTURES OF BIRDSFOOT TREFOILTOMES DT; PETERSON RL.1981; CAN. J. BOT.; ISSN 0008-4026; CAN; DA. 1981; VOL. 59; NO 7; PP. 1338-1342; ABS. FRE; BIBL. 7 REF.Article

GUARD CELL ONTOGENY IN LEAF STOMATA OF THE FERN OPHIOGLOSSUM PETIOLATUMPETERSON RL; HAMBLETON S.1978; CANAD. J. BOT.; CAN; DA. 1978; VOL. 56; NO 22; PP. 2836-2852; BIBL. 39 REF.Article

ROOT CAP STRUCTURE IN THE FERN OPHIOGLOSSUM PETIOLATUM: LIGHT AND ELECTRON MICROSCOPY.PETERSON RL; BRISSON JD.1977; CANAD. J. BOT.; CANADA; DA. 1977; VOL. 55; NO 14; PP. 1861-1878; ABS. FR.; BIBL. 1 P. 1/2Article

OCCURRENCE OF TRANSFER CELLS IN VASCULAR PARENCHYMA OF HIERACIUM FLORENTINUM ROOTS = PRESENCE DE CELLULES DE TRANSFERT DANS LE PARENCHYME VASCULAIRE DES RACINES D'H. F.LETVENUK LJ; PETERSON RL.1976; CANAD. J. BOT.; CANADA; DA. 1976; VOL. 54; NO 13; PP. 1458-1471; BIBL. 17 REF.Article

OBSERVATIONS SOUS UN MEB DE TISSUS VEGETAUX FRACTURES DANS LE GLYCOL METHACRYLATE.BRISSON JD; PETERSON RL.1976; VIE MED. CANADA FR.; CANADA; DA. 1976; VOL. 5; NO 5; PP. 563-565; BIBL. 9 REF.Article

CHRONOLOGIC AND ENVIRONMENTAL IMPLICATIONS OF A NEW GENUS OF FOSSIL DEER FROM LATE WISCONSIN DEPOSITS AT TORONTO, CANADA = CONSEQUENCES POUR LA CHRONOLOGIE ET LE MILIEU D'UN GENRE NOUVEAU DE CERVIDE FOSSILE DES DERNIERS DEPOTS DU WISCONSIN A TORONTO, AU CANADACHURCHER CS; PETERSON RL.1982; QUAT. RES. (NEW YORK); ISSN 0033-5894; USA; DA. 1982-09; VOL. 18; NO 2; PP. 184-195; BIBL. 30 REF.; 3 TAB. ; ILL.Article

ROOT APEX STRUCTURE IN EPHEDRA MONOSPERMA AND EPHEDRA CHILENSIS (EPHEDRACEAE)PETERSON RL; VERMEER J.1980; AMER. J. BOT.; USA; DA. 1980; VOL. 67; NO 5; PP. 815-823; BIBL. 25 REF.Article

ARCHEGONIAL OPENING IN PSILOTUMWHITTIER DP; PETERSON RL.1980; CAN. J. BOT.; ISSN 0008-4026; CAN; DA. 1980; VOL. 58; NO 17; PP. 1905-1907; ABS. FRE; BIBL. 12 REF.Article

ON SOWING WILD OATSSTINSON RH; PETERSON RL.1979; CANAD. J. BOT.; CAN; DA. 1979; VOL. 57; NO 11; PP. 1292-1295; ABS. FRE; BIBL. 2 REF.Article

THE OCCURRENCE AND ONTOGENY OF TRANSFER CELLS ASSOCIATED WITH LATERAL ROOTS AND ROOT NODULES IN LEGUMINOSAENEWCOMB W; PETERSON RL.1979; CANAD. J. BOT.; CAN; DA. 1979; VOL. 57; NO 23; PP. 2583-2602; ABS. FRE; BIBL. 30 REF.Article

THE SORUS OF POLYPODIUM VIRGINIANUM: SOME ASPECTS OF THE DEVELOPMENT AND STRUCTURE OF PARAPHYSES AND SPORANGIA = LES SORES DE P.V.: QUELQUES ASPECTS DU DEVELOPPEMENT ET DE LA STRUCTURE DES PARAPHYSES ET DES SPORANGESPETERSON RL; KOTT LS.1974; CANAD. J. BOT.; CANADA; DA. 1974; VOL. 52; NO 11; PP. 2283-2288; H.T. 7; ABS. FR.; BIBL. 21REF.Article

DEVELOPMENT OF A VESICULAR-ARBUSCULAR MYCORRHIZA IN BEAN ROOTSHOLLEY JD; PETERSON RL.1979; CANAD. J. BOT.; CAN; DA. 1979; VOL. 57; NO 19; PP. 1960-1978; ABS. FRE; BIBL. 2 P.Article