BEHAVIOR OF TRACE AND MAJOR ELEMENTS AND MINERALS DURING EARLY STAGES OF WEATHERING OF DIABASE AND GEANITE IN CENTRAL WISCONSINKOONS RD.1978; DISSERT. ABSTR. INTERNATION., B; USA; DA. 1978; VOL. 39; NO 5; PP. 2181BArticle

NEUTRON ACTIVATION ANALYSIS OF STANDARDS SOILS.KOONS RD; HELMKE PA.1978; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1978; VOL. 42; NO 2; PP. 237-240; BIBL. 5 REF.; 3 ILL.; 4 ANAL.Article

BEHAVIOR OF TRACE AND MAJOR ELEMENTS AND MINERALS DURING EARLY STAGES OF WEATHERING OF DIOBASE AND GRANITEHELMKE PA; KOONS RD.sdINTERNATIONAL CONGRESS OF SOIL SCIENCE. 11/1978/EDMONTON, ALBERTA; CAN; DA. S.D.; VOL. 1; PP. 121; IDEM FRE GERConference Paper

ASSOCIATION OF TRACE ELEMENTS WITH IRON OXIDES DURING ROCK WEATHERINGKOONS RD; HELMKE PA; JACKSON ML et al.1980; SOIL SCI. SOC. AMER., J.; USA; DA. 1980; VOL. 44; NO 1; PP. 155-159; BIBL. 10 REF.; 6 ILL.Article

DETERMINATION OF TRACE ELEMENT CONTAMINATION OF SEDIMENTS BY MULTIELEMENT ANALYSIS OF CLAY-SIZE FRACTION.HELMKE PA; KOONS RD; SCHOMBERG PJ et al.1977; ENVIRONMENT. SCI. TECHNOL.; U.S.A.; DA. 1977; VOL. 11; NO 10; PP. 984-988; BIBL. 22 REF.Article

KAOLINITE: SOURCES OF CEC VARIATIONSLIM CH; KOONS RD; JACKSON ML et al.1978; CLAY MINERALS SOCIETY. ANNUAL MEETING. 15. ANNUAL CLAY MINERALS CONFERENCE. 27/1978/BLOOMINGTON; USA; DA. 1978; PP. 25Conference Paper

A RESEARCH NOTE. CADMIUM DETERMINATION OF FROZEN COD : AN INTERLABORATORY COMPARISON = NOTE DE RECHERCHE. DOSAGE DU CADMIUM DANS LA MORUE SURGELEE : COMPARAISON INTERLABORATOIRESSLABYJ BM; KOONS RD; BRADBURY HE et al.1983; JOURNAL OF FOOD PROTECTION; ISSN 0362-028X; USA; DA. 1983; VOL. 46; NO 2; PP. 122-125; BIBL. 13 REF.; 2 TABL.Article

KAOLINS: SOURCES OF DIFFERENCES IN CATION-EXCHANGE CAPACITIES AND CESIUM RETENTIONLIM CH; JACKSON ML; KOONS RD et al.1980; CLAYS CLAY MINER.; GBR; DA. 1980; VOL. 28; NO 3; PP. 223-229; ABS. RUS/GER/ENG; BIBL. 25 REF.Article