000
00236nam a2200097 4500
100
_a
Bangalore:GSI
245
_a
Journal of GSI,vol.42(1-6)
_c
Bangalore:GSI
260
_a
Bangalore:GSI
_c
1993
260
_a
Bangalore:GSI
_c
1993
942
_c
CR
999
_c
336657
_d
336657