@book{238939,
	author = {Rizzini, Carlos Toledo and Heringer, Ezechias P.},
	title = {Underground organs of plants from some southern brazilian savannas, with special reference to the xylopodium / C. T. Rizzini; E. P. Heringer},
	year = {2006},
	note = {fot. byn., il. byn.}
}