TY  - BOOK
AU  - Huben Harry von
TI  - Instructor guide :basic science concepts and applications,principles and practices of water supply operations series
SN  - 0898678099
U1  - 628.16 
PY  - 1996///
CY  - denver
PB  - american water works association
KW  - Head
KW  - Head loss
ER  -