@article {30830,
	title = {Thrips pollination of Mesozoic gymnosperms},
	journal = {PNAS},
	volume = {109},
	number = {22},
	year = {2012},
	month = {2012},
	pages = {8623-8628},
	author = {Petialver, E. and Conrad C. Labandeira and BARR{\'O}N, Eduardo and X Delcl{\'o}s and Nel, Patricia and Andre Nel and Tafforeau, Paul and Soriano, Carmen}
}
