TY  - BOOK
AU  - Blyth, F G H  .
AU  - Defreitas,M H  .
TI  - Geology for engineers / 
SN  - 0  7131  2910  7
U1  - 551.02462 
PY  - 1985///
CY  - London : 
PB  - Edward arnold publishers ltd , 
ER  -