Produkt mají v nabídce:
Aphids on the World's Crops - Blackman, R. L. (The Natural History Museum, London, UK) a Eastop, V. F. (The Natural History Museum, London, UK)
This is an identification guide and information source for a major group of agriculturally important insects on a world-wide basis. It enables the non-specialist anywhere in the world to identify aphids found colonising crop plants, and offers summaries of available knowledge of each species.