000
00234nam a2200097 4500
999
_c
336578
_d
336578
082
_a
551.7
_b
GEO.S
100
_a
GSI
245
_a
Stratigraphic boundary problem in India,Memoire.16
_c
GSI
260
_a
Bangalore
_c
1990
_b
GSI
942
_c
BK