Philpotts, Anthony R. Petrography of igneous and metamorphic rocks / Anthony R. Philpotts. - Englewood Cliffs, N.J.: Prentice-Hall, 1989. - 178 p. : ill. ; 28 cm. ISBN: 0136623131 Subjects--Personal Names: Rocks, Igneous. Subjects--Topical Terms: Rocks, Metamorphic.