@book{28958,
	author = {Fröhlich, Gerd. and Rodewald, Wolfgang,},
	title = {Pests and diseases of tropical crops and their control},
	publisher = {Pergamon,},
	year = {1970, c1969.},
	address = {Oxford:},
	edition = {1st English ed.},
	note = {Includes index.}
}