000
00294nam a2200133 4500
003
OSt
020
_a
8180300234
082
_a
547.7 SIN
100
_a
Singh, Ayodhya
245
_a
Polymer Chemistry
260
_a
New Delhi
_b
Campus Books International
_c
2020
300
_a
352 p.
942
_2
ddc
_c
BK
999
_c
7661
_d
7661