000 00284nam a2200109Ia 45e0
008 181001s1920 xx 000 0 und d
100 _aMurrhy D.W.
245 0 _aDrainage Engineering
260 _bMcGraw Hill
_c1920
300 _a178
942 _2ddc
_cBK
999 _c2545
_d2545