Trovati 4 documenti.
Trovati 4 documenti.
The life of insects / V. B. Wigglesworth
London : Weidenfeld and Nicolson, c1964
The Weidenfeld and Nicolson natural history
A key for stages of development of the pea (pisum sativum) / compiled by C. M. Knott
(S.l.) : British crop protection council, (198.?)
Insect life cycles : genetics, evolution and coordination / Francis Gilbert ed
London (etc.) : Springer, c1990)
Manual of plant growth stages and disease assessment keys
Harpenden : Plant Pathology Laboratory, c1976