000
00279nam a2200121Ia 4500
008
220201s1997 xx 000 0 eng d
082
_a
670
_b
KHA
100
_a
Khanna, OP
245
0
_a
Production technology
260
_b
Dhanpat Rai & Sons
_c
1997
300
_a
868
942
_2
ddc
999
_c
86559
_d
86559