000
00250nam a2200109Ia 4500
008
220201s1997 xx 000 0 eng d
100
_a
DYSON, R.W.
245
0
_a
SPECIALLY POLYMERS
260
_a
LONDEN
_b
CHOPNHAD
_c
1997
300
_a
186
942
_2
ddc
999
_c
67750
_d
67750