Ecological sanitation /
Esrey, Steven A.
Ecological sanitation / Steven A Esrey, Jean Gough, Dave Rapaport, Ron Sawyer, Mayling Simpson-Hebert, Jorge Vargas, Uno Winblad. - iv, 92 pages ; 30 cm
9156876120 (pbk.)
Toilets--Design and construction.
Sanitation,--Household.
Sewage--Environmental aspects.
363.7284 ESR / DS0307
Ecological sanitation / Steven A Esrey, Jean Gough, Dave Rapaport, Ron Sawyer, Mayling Simpson-Hebert, Jorge Vargas, Uno Winblad. - iv, 92 pages ; 30 cm
9156876120 (pbk.)
Toilets--Design and construction.
Sanitation,--Household.
Sewage--Environmental aspects.
363.7284 ESR / DS0307