@book{6049,
	author = {Singh, Uma S.},
	title = {Plant diseases of international importance},
	publisher = {Prentice Hall,},
	year = {1992},
	address = {Englewood Cliffs, N.J. :},
	note = {La biblioteca tiene : v.1 Diseases of cereals and pulses.--v.2 Diseases of vegetables and oil seed crops}
}