Nitrogen in agricultural soils - Stevenson, Frank J.; Bremner, J. M.; Hauck, R. D.; Keeney, D. R.; Dinauer, Richard C.; Gates, Kristine E.; Stelly, Matthias (American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. ; Soil Science Society of America, Inc., 1982)
Number 22 in the series Aronomy.