@book{34491,
	author = {Troughton, John. and Donaldson, Lesley A.},
	title = {Probing Plant Structure : a scanning electron microscope study of some anatomical features in plants and the relationship of these structures to physiological processes / },
	publisher = {: McGraw-Hill Book},
	year = {, 1972},
	address = {.- New York}
}