Subsurface and petroleum geology of the Southwestern Santa Clara Valley ("Silicon Valley"), California / by Richard G. Stanleyr ... [et al.]. - Stanley, Richard G.; Stanley, Richard G.; U.S. Geological Survey (Washington, DC : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2002)
References: p. 42-47