00411nam a2200145 a 450000500170000010000270001724500300004426000460007430000110012069000300013196400230016199700120018499900170019695200520021320251203090715.0  aO'shaughnessy,James C.  aEnvironmental engineering  aAmerican Society ofCivil Engineeersc1985  a1137p.  aEnvironmental Engineering  bENGLISHcdefg_  a18767 C  c17148d17148  00104070aPUbPUd1998-10-09l0o p18767yBK