ELEMENTAL VARIABILITY WITHIN A SAMPLING UNIT.DREES LR; WILDING LP.1973; SOIL SCI. SOC. AMER., PROC.; U.S.A. ; 1973, VOL. 37, NUM. 0001, P. 82 A 87Serial Issue

CONTRIBUTIONS OF FOREST OPAL AND ASSOCIATED CRYSTALLINE PHASES TO FINE SILT AND CLAY FRACTIONS OF SOILS.WILDING LP; DREES LR.1974; CLAYS CLAY MINER.; GBR; 1974, VOL. 22, NUM. 0003, P. 295 A 306Serial Issue

BIOGENIC OPAL IN OHIO SOILSWILDING LP; DREES LR.1971; SOIL SCI. SOC. AMER., PROC.; U.S.A.; 1971, VOL. 35, NUM. 0006, P. 1004 A 1010Serial Issue

DISTRIBUTION AND IMPLICATIONS OF SPONGE SPICULES IN SURFICIAL DEPOSITS IN OHIO.WILDING LP; DREES LR.1968; OHIO J. SCI.; USA; 1968(3), VOL. 68, NUM. 0002, P. 92 A 99Miscellaneous

CLAY ACCUMULATION IN SOLA OF POORLY DRAINED SOILS OF WESTERN OHIO = L'ACCUMULATION DE L'ARGILE DANS LA PARTIE SUPERIEURE DU PROFIL DE SOLS MAL DRAINES DE L'OUEST DE L'OHIOSMECK NEIL E; RITCHIE A; WILDING LP et al.1981; SOIL SCI. SOC. AM. J.; ISSN 0361-5995; USA; DA. 1981; VOL. 45; NO 1-6; PP. 95-102; BIBL. 13 REF.; 8 TAB. ; ILL.Conference Paper