1. Impulse radar wide angle reflection and refraction sounding in permafrost;Annan;Geol. Surv. Can., Pap.,1975
2. Volcanic Successions, Modern and Ancient;Cas,1987
3. Ubehebe, California;Crowe,1990
4. Sedimentary structures in base surge deposits with special reference to cross-bedding, Ubehebe Craters, Death Valley, California;Crowe;Geol. Soc. Am. Bull.,1973
5. Surface-Penetrating Radar;Daniels,1996