000
00308nam a2200109Ia 45e0
008
181001s1980 xx 000 0 und d
100
_a
Gower
245
0
_a
Water quality
260
_a
Chichester
_b
John wiley & sons
_c
1980
300
_a
335
942
_2
ddc
_c
BK
999
_c
3619
_d
3619