FRACTIONATION OF PHOSPHATE IN A MATURITY SEQUENCE OF NEW ZEALAND BASALTIC SOIL PROFILES: 1.WILLIAMS JDH; WALKER TW.1969; SOIL SCI.; USA; 1969(1), VOL. 107, NUM. 0001, P. 22 A 30Miscellaneous

FRACTIONATION OF PHOSPHATE IN A MATURITY SEQUENCE OF NEW ZEALAND BASALTIC SOIL PROFILES : 2.WILLIAMS JDH; WALKER TW.1969; SOIL SCI.; USA; 1969(3), VOL. 107, NUM. 0003, P. 213 A 219Miscellaneous

LIGHTWEIGHT CORER DESIGNED FOR SAMPLING VERY SOFT SEDIMENTSWILLIAMS JDH; PASHLEY AE.1979; J. FISH. RES. BOARD CANADA; CAN; DA. 1979; VOL. 36; NO 3; PP. 241-246; ABS. FRE; BIBL. 21 REF.; 3 ILL.Article

EXTRACTABILITY OF PHOSPHORUS FROM PHOSPHATE MINERALS COMMON IN SOILS AND SEDIMENTSWILLIAMS JDH; MAYER T; NRIAGU JO et al.1980; SOIL SCI. SOC. AM. J.; USA; DA. 1980; VOL. 44; NO 3; PP. 462-465; BIBL. 27 REF.Article

CHARACTERIZATION OF INORGANIC PHOSPHATE IN NONCALCAREOUS LAKE SEDIMENTS.WILLIAMS JDH; SYERS JK; ARMSTRONG DE et al.1971; SOIL SCI.; USA; 1971(8), VOL. 35, NUM. 0004, P. 556 A 561Miscellaneous

AVAILABILITY TO SCENEDESMUS QUADRICANDA OF DIFFERENT FORMS OF PHOSPHORUS IN SEDIMENTARY MATERIALS FROM THE GREAT LAKESWILLIAMS JDH; SHEAR H; THOMAS RL et al.1980; LIMNOL. AND OCEANOGR.; USA; DA. 1980; VOL. 25; NO 1; PP. 1-11; BIBL. 2 P.Article

INFLUENCE DES REJETS DE DEUX STATIONS D'EPURATION SUR LA TENEUR EN PHOSPHORE DES SEDIMENTS COTIERS DU LEMANWILLIAMS JDH; JAQUET JM; VERNET JP et al.1979; REV. SUISSE HYDROL.; CHE; DA. 1979; VOL. 40; NO 2; PP. 361-373; ABS. GER/ENG; BIBL. 19 REF.Conference Paper

THE SIGNIFICANCE OF APATITE INCLUSIONS IN SOIL PHOSPHORUS STUDIES.SYERS JK; WILLIAMS JDH; CAMPBELL AS et al.1967; SOIL SCI. SOC. AMER., PROC.; USA; 1967, VOL. 31, NUM. 0006, P. 752 A 756Miscellaneous

FRACTIONATION OF ORGANIC PHOSPHORUS IN LAKE SEDIMENTS.SOMMERS LE; HARRIS RF; WILLIAMS JDH et al.1972; SOIL SCI. SOC. AMER., PROC.; USA; 1972, VOL. 36, NUM. 0001, P. 51 A 54Miscellaneous

MINERALOGY AND FORMS OF INORGANIC PHOSPHORUS IN A GRAYWACKE SOIL-ROCK WEATHERING SEQUENCE.SYERS JK; WILLIAMS JDH; WALKER TW et al.1970; SOIL SCI.; USA; 1970(8), VOL. 110, NUM. 0002, P. 100 A 106Miscellaneous