Bees as pollinators of entomophilous crops
Haragsim, Oldr̆ich.
International Symposium on Pollination3rd1974Prague.
Gerrards Cross Bee Research Association
[1975]
'... an opening address at the III International Symposium on Pollination held in Prague from 15th to 18th May 1974'
Originally published: in 'Bee World' 55 (4) : 137-140 (1974)
Fertilization of plants.
Bees.