TY  - BOOK
AU  - Beetschen,Lee J.
AU  - Henry,William C.
ED  - United States.
TI  - Evaluation of trenchless sewer constrution at south bethany branch, Delaware
U1  - 628.21 
PY  - 1978///
CY  - Washington
PB  - Government Printing Office
KW  - Sewer
KW  - Pollution
N1  - EPA-600/2-78-022
ER  -