Author

; Edited By Ted L. Willrich and George E. Smith

Catalogue records by ; Edited By Ted L. Willrich and George E. Smith in the PakCat Union Catalogue.

2 catalogue records

Catalogue records

Agricultural Practices and Water Quality ; Edited By Ted L. Willrich and George E. Smith 1970 Agricultural practices and water quality Edited by Ted L. Willrich and George E. Smith 1971