000 00405nam a2200133 4500
008 0 1973 0a 000 0Usa
020 _a0-07-052250-2
082 _a620.8 R589e
100 _aRich, Linvil G.
245 _aEnvironmental systems engineering / Linvil G. R
260 _aNew York : Mcgraw-Hill
300 _a447 p. / 23 cm.
650 _a1. INGENIERIA SANITARIA \ 2. INGENIERIA AMBIENTAL
999 _c21907
_d21907