@article {1100,
	title = {Host specificity of temperate and tropical animals},
	journal = {Nature},
	volume = {281},
	year = {1979},
	month = {1979///},
	pages = {139 - 141},
	author = {Beaver,R.A.}
}
@article {1101,
	title = {Non-equilibrium {\textquoteright}island{\textquoteright} communities. A guild of tropical bark beetles},
	journal = {Journal of Animal Ecology},
	volume = {48},
	year = {1979},
	month = {1979///},
	pages = {987 - 1002},
	author = {Beaver,R.A.}
}
