000
00250nam a2200097Ia 4500
008
220201s1990 xx 000 0 eng d
100
_a
JAIN (PC) & JAIN (MONIKA)
245
0
_a
ENGINEERING CHEMISTRY
260
_b
DHANPAT RAI & SON
_c
1990
942
_2
ddc
999
_c
100313
_d
100313