TY  - BOOK
AU  - Watt,Alec
TI  - Longman Illustrated Dictionary of Geology : The principles of geology explained and illustrated
SN  - 0582555493
U1  - 550.3 23
PY  - 1982///
CY  - Beirut, Lebanon : 
PB  - Longman & York Press , 
ER  -