TY  - BOOK
AU  - Johanson,Robert C.
AU  - Imhoff,John C.
AU  - Davis,Harley H.
TI  - Users manual for hydrological simulation program Fortran (HSPF)
U1  -  551.49 
PY  - 1980///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Hydrology
ER  -