Schmidt, Volkmar. Secondary reservoir porosity in the course of sandstone diagenesis / Volkmar Schmidt and David A. McDonald. - Tulsa : The American Association of Petroleum Geologists, 1979. - 125 p. : ill. ; 28 cm. - Education course note series no.12 . ISBN: 0891811613 Subjects--Topical Terms: Sandstone.Porosity.Reservoirs.