@article{134414, recid = {134414}, author = {Perkins, Richard J.}, title = {Onsite wastewater disposal /}, publisher = {Lewis Publishers,}, address = {Chelsea, Mich. :}, pages = {xiv, 251 p. :}, year = {1989}, note = {At head of title: National Environmental Health Association.}, url = {http://library.usi.edu/record/134414}, }