@book{238971,
	author = {Timmermann, Bárbara N. and Montenegro, Gloria},
	title = {Pollen grains and vegetative structures in propolis as indicators of potential drugs in Chilean plants / G. Montenegro; B. N. Timmermann; R. C. Peña; A. M. Mujica; G. Avila},
	year = {2006},
	note = {il., fot. byn., tbl.}
}