@book{238997,
	author = {Maiti, R. K. and Hernández Piñero, J. L.},
	title = {Seed ultrastructure and germination of some species of Cactaceae / R. K. Maiti; J. L. Hernández Piñero; M. Valdéz Marroquín},
	year = {2006},
	note = {fot. byn., fot. col.}
}