1957 performance trials of field crop varieties /
Thomas O. Shelby.
APA Citation
Shelby, T. O. (1958). 1957 performance trials of field crop varieties. Knoxville: University of Tennessee, Agricultural Experiment Station.
MLA Citation
Shelby, Thomas O. 1957 Performance Trials of Field Crop Varieties. Knoxville: University of Tennessee, Agricultural Experiment Station, 1958.
Warning: These citations may not always be complete (especially for serials).