00539 a2200205 4500 0-582-46349-1 Eng. 575.1 M551e Merrell, David John, 1919- 10650 Ecological genetics London Longman 1981 xii, 500p. illus. Bibliography: p.453-491 Ecological genetics 10651 Population genetics 10652 Polymorphism 16331 Hybridization 9361 Plants ddc GEN 50920 50916 0 0 ddc 0 0 TUCL TUCL 2011-01-12 0 575.1 M551e 86915 2011-01-12 00:00:00 2011-01-12 GEN