Report of joint visit to Holland to conduct field trials of tobacco smoke detection of Varroa Jacobsoni oudemans and to assess the varroasis situation 20.4.85 to 26.4.85
Griffiths, D. A.(Donald Alister),1927-
Cook, V. A.
Great Britain. Agricultural Development and Advisory Service.
[Alnwick] MAFF, ADAS
1985
Bees