Mettler, Lawrence E., 1929- Population genetics and evolution / Lawrence E. Mettler, Thomas G. Gregg - Englewood Cliffs, N.J. Prentice-Hall, 1969 - xii, 212 p. : ill. ; 24 cm. Includes bibliographies. LCCN: 69-016809 Subjects--Topical Terms: Population geneticsEvolution