@Article{ blum11b,
	title = {{Elastic scattering by planar fractures}},
	author = {Thomas E. Blum and Roel Snieder and Kasper van Wijk and Mark E. Willis},
	publisher = {SEG},
	journal = {SEG Technical Program Expanded Abstracts},
	pages = {2206--2210},
	volume = {30},
	number = {1},
	year = {2011},
	keywords = {elastic, fractures, scattering, ultrasonic, wave propagation},
	url = {http://link.aip.org/link/?SGA/30/2206/1},
	doi = {10.1190/1.3627646},
	collaboration = {}
}