000
00239nam a2200109Ia 4500
008
220201s1969 xx 000 0 eng d
100
_a
ISI
245
0
_a
is;7861(part-1)1975
260
_b
Isi new delhi
_c
1969
300
_a
20
942
_2
ddc
999
_c
82729
_d
82729