000 00262nam a2200097Ia 4500
100 _aAPHA
245 _aStandard Methods for the Examination of Water & Wastewater
260 _bAm Pub Health Asso, U S A
082 _aG91:(D855)/N76/B11772
300 _app 1192; 23*16
999 _c1519
_d1519