Symposium proceedings - Bezdicek, D. F.,; Power, J. F.,; Keeney, D. R.,; Wright, M. J.,; Elliott, L. F.,; Miller, R. H.,; Mortvedt, J. J.,; Kral, David M.,; Hawkins, Sherri L., (American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1984)
ASA Special Publication Number 46