TY  - BOOK
AU  - Manning, D.A.C.
TI  - Introduction to industrial minerals
SN  - 9780412555503
U1  - 553.6 
PY  - 1995///
CY  - London
PB  - Chapman and Hall
KW  - Economic geology
KW  - Industrial minerals 	
KW  - Nonmetallic minerals
ER  -