000
00239nam a2200109Ia 4500
008
220201s1972 xx 000 0 eng d
100
_a
ISI
245
0
_a
is:6441(part-I)-1972
260
_b
Isi new delhi
_c
1972
300
_a
7
942
_2
ddc
999
_c
82755
_d
82755