@article {1331,
	title = {Effects of host density and bark thickness on the densities of parasites of the southern pine beetle.},
	journal = {Environmental Entomology},
	volume = {10(3)},
	year = {1981},
	pages = {392-399},
	author = {Gargiullo, P.M. and Berisford, C.W.}
}
