Analysis of Welsh nectar sources : a study of the regional and temporal variations in Welsh honey in 1992 and 1993 /
Roberts, Peter.
Central Association of Bee-Keepers.
[Poole] : Central Association of Bee-Keepers,
c1999.
"A lecture given to the Central Association of Bee-Keepers on 13 October 1996." -- p.1.
Caption title.