TY  - BOOK
AU  - Walker,J.M.
ED  - United States.
TI  - Sewage sludge entrenchment system for use by small municipalities
U1  - 363.7284 
PY  - 1978///
CY  - Washington, D.C.
PB  - United States Environmental Protection Agency
KW  - Sewage
KW  - Pollution
N1  - EPA-600/2-78-018; Includes bibliographical references
ER  -