TY - BOOK AU - Kerr, Paul Francis, TI - Optical mineralogy: Paul F. Kerr U1 - 549.12 KER PY - 1959/// CY - New York PB - McGraw-Hill KW - Meneralogy, Determinative N1 - "Previous editions by Austin F. Rogers and Paul F. Kerr."; Includes bibliographical references ER -