Indian standard code of practice for design and construction of septic tanks  pt. 2, large installations 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1971 
 - 14p. 
<br/><br/> IS 2470 : Part 2 : 1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Septic Tanks <br/> Sewave Works<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:628.352.001.3  / ISI