00454nam a2200145Ia 45000010006000000050017000060080041000230200015000640820012000791000025000912450087001162600035002033000033002386500037002711141820261006004334.0120911s9999    xx            000 0 und d  a0071008284  a628 DAV  aDavis, Mackenzie Leo  aIntroduction to environmental engineering / Mackenzie L. Davis, David A. Cornwell.  aNew York : Mcgraw-Hill, C1991.  axvii, 822 p. : ill. ; 25 cm.  aChannels (Hydraulic engineering)