TY  - BOOK
AU  - Schroder,L.J.
AU  - Delaney,B.M.
TI  - Preparation of reference materials for particle size analysis of sitts and clays
U1  - 549.609794 23
PY  - 1979///
CY  - Washington, D.C.
PB  - U.S. Govt. Printing Office
KW  - Clay
KW  - Clay minerals
KW  - Ceramic materials
ER  -