000
00264nam a2200109Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
NR:62TSR
_b
RRM
100
_a
See Toh Mock Sang
245
0
_a
Natural rubber: Polybutadiene
260
_a
RRIM
_c
1983
942
_c
BK
999
_c
43325
_d
43325