Environmental Hydrology

af Ward, And y D.and Elliot,William J,Eds
Udgivet 1995

Soil and water management systems

af Schwab, Glenn O; Fangmeier, Delmar D; Elliot, William J
Udgivet 1996

Soil and water conservation Engineering

af Elliot, William J, Fangmeier, Delmar D, Frevert, Richard K, Schwab, Glenn O
Udgivet 2002

Soil and water conservation Engineering

af Elliot, William J, Fangmeier, Delmar D, Frevert, Richard K, Schwab, Glenn O
Udgivet 2004

Soil and water engineering

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