00730nam0-22002771i-450-99000035163040332120001010000035163FED01000035163(Aleph)000035163FED0100003516320001010d--------km-y0itay50------baitay-------001yy<<An >>introduction to clay colloid chemistryvon H. Olphen.New YorkInterscience publishers1963XVI,301 p. ill. 24 cm668Olphen,H. VanITUNINARICAUNIMARCBK99000035163040332104 186-138CI 5224DINCHDINCHUNINAING01