@book{239009,
	author = {Majumdar, S. K. and Lowry, R. J.},
	title = {An electron microscope study of the barrier between vegetative and generative nuclei in the pollen of Gasteria armstrongii / S. K. Majumdar; R. J. Lowry},
	year = {2006},
	note = {fot. byn.}
}