TY  - BOOK
AU  - Bhattacharyya,D.S.
AU  - Bagchi,T.C.
TI  - Elements of geological map readings and interpretation: with exercises 
PY  - 1973///
CY  - New Delhi
PB  - Orient Longman
KW  - Geological mapping
KW  - Geology
KW  - Maps
ER  -