000 00406nam a22001457a 4500
999 _c15634
_d15634
003 OSt
008 190522b ||||| |||| 00| 0 eng d
020 _a0873714296
082 _a628.162
_bTIL/BA
100 _aTillman, Glenn M.
_94122
245 _aBasic mechanical maintenance procedures at water and wastewater plants
260 _aAmerica
_bLewis Publishers, INC.
_c1991
300 _a172 p.
942 _cBK