كتب ذات صلة

Report of the United States Entomological Commission.

Os insectas damninhos na agricultura

Les sciences biologiques appliqu�ees �a l''agriculture et la lutte contre les ennemis des plantes aux �Etats-Unis

Insects and insecticides. A practical manual concerning noxious insects and the methods of preventing their injuries.

• Anleitung zum Sammeln der Kryptogamen
  المؤلفون: Sydow, P.
• المؤلفون: Gaucher, Nicolas