000 00408nam a2200169Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
020 _cRS250
040 _e376
_aMAIN
041 _aEnglish
082 _a628.162 S32B
100 _aSmethurst, George
245 0 _aBasic water treatment: For application world-wide
250 _a2nd ed.
260 _aDelhi
_bIBT
_c1989
300 _a216 p.
942 _cBK
999 _c68929
_d68929