Environmental Hydrology

ανά Ward, And y D.and Elliot,William J,Eds
Έκδοση 1995

Soil and water management systems

ανά Schwab, Glenn O; Fangmeier, Delmar D; Elliot, William J
Έκδοση 1996

Soil and water conservation Engineering

ανά Elliot, William J, Fangmeier, Delmar D, Frevert, Richard K, Schwab, Glenn O
Έκδοση 2002

Soil and water conservation Engineering

ανά Elliot, William J, Fangmeier, Delmar D, Frevert, Richard K, Schwab, Glenn O
Έκδοση 2004

Soil and water engineering

ανά Elliot, William J, Fangmeier, Delmar D, Huffman, Rodney L, Schwab, Glenn O, Workman, Stephen R
Έκδοση 2009