@book{31016,
	author = {Livestock Producers' Day. Baton Rouge, Lo. and Lousiana State University. Animal Science Department.},
	title = {Proceedings of the program and research progress report},
	publisher = {Livestock Producer's Day,},
	year = {19 - 19},
	address = {Baton Rouge, Lo. :},
	note = {La biblioteca tiene: v.11 (1971), v.12 (1972), v.14 (1974), v.15 (1975), v.17 (1976), v.18 (1978), v.19 (1979), v.20 (1980), v.22 (1981), v.23 (1982), v.25 (1984), v.26 (1985)}
}