000
00290nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Viessman (Warren) etc
245
0
_a
Introd to hydrology
260
_b
"Harper and aRow, New York"
260
_c
1977
365
_b
22.50
942
_c
BK
999
_c
203668
_d
203668