@article {Wunnemann-2005-SBP,
	author=		"K Wünnemann and GS Collins and HJ Melosh",
	journal=	"Icarus",
	title=		"A strain-based porosity model for use in hydrocode simulations of impacts and implications for transient crater growth in porous targets
",
	year=		"2005",
	theme=		"",
	project=	"",
	added-by=	"Daniel Acevedo",
	date-added=	"Mon October 8 19:55:22 2007"
}
@article {Wunnemann-2005-SBP-url,
	author=		"K Wünnemann and GS Collins and HJ Melosh",
	journal=	"Icarus",
	note=		" \url{http://vis.cs.brown.edu/results/bibtex/Wunnemann-2005-SBP.bib}{(bibtex: Wunnemann-2005-SBP)}",
	title=		"A strain-based porosity model for use in hydrocode simulations of impacts and implications for transient crater growth in porous targets
",
	year=		"2005",
	theme=		"",
	project=	"",
	added-by=	"Daniel Acevedo",
	date-added=	"Mon October 8 19:55:22 2007"
}