Chayes, Felix, 1916- Ratio correlation a manual for students of petrology and geochemistry by Felix Chayes - Chicago The University of Chicago Press 1971 - viii, 99 p. : ill. ; 24 cm. Bibliography: p. 97-99. ISBN: 0226102181 LCCN: 71-146110 Subjects--Topical Terms: PetrologyGeochemistryCorrelation (Statistics)