TY  - BOOK
AU  - Roy,Asit K.
TI  - Introduction to the study of geological maps
U1  - 551/ROY 
PY  - 1966///
CY  - Calcutta
PB  - The World Press
KW  - Geology
KW  - Geology,Hydrology,Metrology - Maps
N1  - 1st published Nov.1966,copyright World Press
ER  -