Donker, J., Marten, G. Alfalfa hay : evaluating its quality by performance of dairy animals and laboratory procedures. St. Paul: 1972 14 p. : tab.
Donker, J., Marten, G. Alfalfa hay : evaluating its quality by performance of dairy animals and laboratory procedures. St. Paul: 1972 14 p. : tab.
Donker, J., Marten, G. (1972) Alfalfa hay : evaluating its quality by performance of dairy animals and laboratory procedures, St. Paul: 14 p. : tab.
Donker, J., & Marten, G. (1972). Alfalfa hay : evaluating its quality by performance of dairy animals and laboratory procedures. St. Paul: 14 p. : tab.
Donker J, Marten G. Alfalfa hay : evaluating its quality by performance of dairy animals and laboratory procedures. St. Paul: 1972. p. 14 p. : tab.