@book{28844,
	author = {Silver, W. S. and University of Puerto Rico (Mayagüez Campus) and International Workshop on "Practical Applications of Azolla for Rice Production"},
	title = {Practical application of azolla for rice production :},
	publisher = {M. Nijhoff/Dr. W. Junk Publishers ;},
	year = {1984.},
	address = {Dordrecht ;},
	note = {First International Workshop on "Practical Applications of Azolla for Rice Production", organized by the University of Puerto Rico-Mayaguez Campus.}
}