TY - BOOK AU - Stebbins,G.Ledyard TI - Processes of organic evolution T2 - Concepts of modern biology series SN - 013723452X AV - QH366.2 .S7 1977 U1 - 575 PY - 1977/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Evolution (Biology) N1 - Includes index; Bibliography: p. 259-261 ER -