@book{46227,
	author = {Conferencia Internacional sobre Virus y Virosis de la Vid ( and Instituto Nacional de Investigaciones Agrarias (España)},
	title = {Procedings of the 6th Conference on Virus and Virus deseases of the grapevine... España 13-21 septiembre 1976.},
	publisher = {Instituto Nacional de Investigaciones Agrarias, },
	year = {1978.},
	address = {Madrid : }
}