Feeding sugar to bees /
Johansson, T. S. K.(Tage Sigvard Kjell),1919-
Johansson, Mildred P.
International Bee Research Association.
Gerrards Cross : International Bee Research Association,
[1979?]
Caption title.
Reprint from Bee world 57(4): 137-143 (1976); 58: 11-18, 49-52 (1977).