Crane, Eva
The impact of pest management on bees and pollination/ by Eva Crane and Penelope Walker. - London: Tropical Development and Research Institute, 1983. - lv.
Bees.
Fertilization of plants by insects.
Pesticides.
The impact of pest management on bees and pollination/ by Eva Crane and Penelope Walker. - London: Tropical Development and Research Institute, 1983. - lv.
Bees.
Fertilization of plants by insects.
Pesticides.