@inbook {677,
	title = {Pollen morphology in the Compositae and in morphologically related families.},
	booktitle = {The Biology and Chemistry of the Compositae},
	year = {1977},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {London},
	author = {Skvarla, J.J. and Turner, B.L. and Patel, V.C. and Tomb, A.S.},
	editor = {V. Heywood and J.B. Harborne and Turner, B.L.}
}
