000
00287nam a2200109Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
NR:62TN
_b
BAY.49
245
0
_a
Technical notes for rubber industry,No.49
260
_a
Germany
_b
Bayer
_c
1976
650
_a
Rubber chemicals
942
_c
BK
999
_c
43492
_d
43492