000
00241nam a2200109Ia 4500
008
220201s1980 xx 000 0 eng d
100
_a
ISI
245
0
_a
is:2720(part-III)-1974
260
_b
Isi new delhi
_c
1980
300
_a
8
942
_2
ddc
999
_c
82770
_d
82770