TY - BOOK AU - Emmel, Thomas C. AU - ED - ED - ED - ED - SN - 60419040 SN - 2 PY - 1976///];copyright 197646 CY - New York PB - Harper & Row KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Population biology N1 - Includes index; Bibliography: p. 341-355; 5 ER -