000
00254nam a2200121Ia 4500
008
220201s1981 xx 000 0 eng d
082
_a
668.41
_b
DUB-P
100
_a
DUBOIS J
245
0
_a
PLASTICS
260
_b
VNR
_c
1981
300
_a
461
942
_2
ddc
999
_c
30756
_d
30756