000			00309nam a2200097Ia 4500
001			122806
008			170722s9999 xx 000 0 und d
245			_aCode of practice for design and construction of septic tanks2Pts. Pt. 1. Small installations. Pt. 2. Large installations. /
260			_c1971.
942			_cGEN
999			_c94175 _d94175