000
00346nam a2200145Ia 4500
008
150723s9999 xx 000 0 und d
020
_a
33
082
_a
540 AHA-E
100
_a
Ahad, Juhaina
245
_a
Engineering chemistry
260
_b
Jai Publications, Kollam
260
_c
2006
650
_a
Chemistry & allied sciences
942
_c
BK
999
_c
33
_d
33