000
00260nam a22001097a 4500
003
OSt
008
231020b |||||||| |||| 00| 0 eng d
100
_a
George, W, Bene H
245
_a
Management of Artificial Lakes and ponds
260
_c
1962
942
_2
ddc
_c
BK
999
_c
33054
_d
33054