000
00251nam a2200109Ia 4500
008
220201s1990 xx 000 0 eng d
100
_a
DYSON, R.W.
245
0
_a
ENGINEERING POLYMERS
260
_a
LONDON
_b
BLACKIE
_c
1990
300
_a
196
942
_2
ddc
999
_c
67736
_d
67736