TY - BOOK ED - International Clay Conference (7th : 1981 : Bologna and Pavia) ED - Olphen, H. van ED - Veniale, F. ED - Association internationale pour l'etude des argiles. Italian Group TI - KQ Proceeding of the VII International Clay Conference 1981 held in Bologna and Pavia, Italy, September 6-12, 1981 organized by the Italian Group of AIPEA, under the auspices of Association Internationale Pour I'Etude des Argile SN - 0444420967 PY - 1982/// CY - Amsterdam PB - Elsevier Science KW - Clay minerals KW - Analysis KW - Congresses ER -