@book{51920,
	author = {Trinidad Santos, Antonio.},
	title = {An evaluation of the nitrogen production potential of hairy vetch (Vicia villosa R.) and Crimson clover (Trifolium incarnatum L.) in mulch-planted corn},
	publisher = {The author,},
	year = {1978},
	address = {Raleigh, N.C. :}
}