J. Production Ag. 3(1):5pp.
By: R. I. Barnhisel, M. W. Edelhar, J. L. Powell and G. W. Akin.
Contributors: Edelhar, M. W; Powell, J. L.; Akin, Gary W.
Publisher: s.n
Published: 1990
Place of publication: S.l
Notes: 1