Bee and wasp /
Aston, Oliver.
Jansen, Mogens.Rosenbi og snyltehveps.
Hansen, Elvig.
Lewington, Richard.
Burgin, Norma.
Oxford Blackwell
1975
Adaptation of: 'Rosenbi og snyltehveps' / by Mogens Jansen. Kobenhavn [Copenhagen] : Munksgaard, 1974
Bibliography: p.31. - Includes index
Wasps.
Bees