000 003100000a22001210004500
245 _aWater supply treatment and distribution
100 _aWalker, Rodger
260 _aEnglewood Cliffs
_bPrentice-Hall
_c1978
300 _axix, 420p. : ill., photos
080 _a628.1
_bW3
041 _aEN
942 _cBK
999 _c115391
_d115391