The principles of pollination ecology/
Faegri, Knut
The principles of pollination ecology/ by K. Faegri and L. van der Pijl - 2nd revised ed - Oxford : Pergamon Press , 1971 - 244p. ill. 26cm - Pergamon international library of science, technology, engineering, and social studies .
2nd. rev. ed. reprinted with revisions, 1980
0080213383
Fertilization of plants
Botany--Ecology
The principles of pollination ecology/ by K. Faegri and L. van der Pijl - 2nd revised ed - Oxford : Pergamon Press , 1971 - 244p. ill. 26cm - Pergamon international library of science, technology, engineering, and social studies .
2nd. rev. ed. reprinted with revisions, 1980
0080213383
Fertilization of plants
Botany--Ecology