@book{112917,
	author = {Barrus M F. and Keown, Mary E. and P. R. Estación Experimental Federal de Mayaguez.},
	title = {El Servicio de Extension Agrícola en Puerto Rico},
	year = {1935.},
	series = {Boletín de Extensión},
	address = {[Mayaguez, P.R.]},
	note = {With this is bound. P. R. Estación Experimental Federal, Mayaguez. Report of the Puerto Rico Experimental Station, 1935. Mayaguez, 1936.}
}