000
00516nam a2200097Ia 4500
008
120223s9999 xx 000 0 und d
082
_a
614.7 SYK
100
_a
Sykes, G.
245
_a
Microbial aspects of pollution
260
_b
Academic Press
_a
London
_c
1971
999
_c
152415
_d
152415