000
00284nam a2200109Ia 45e0
008
181001s1920 xx 000 0 und d
100
_a
Murrhy D.W.
245
0
_a
Drainage Engineering
260
_b
McGraw Hill
_c
1920
300
_a
178
942
_2
ddc
_c
BK
999
_c
2545
_d
2545