Books by Helmut Fritz Van Emden
Statistics for terrified biologists
Aphids as crop pests / edited
Aphids as crop pests / edited by H.F. van Emden and R. Harrington
Aphids as crop pests / edited by Helmut F. van Emden and Richard Harrington
Pest and vector control
Biodiversity and global change
Pest control and its ecology
Insect-plant relationships
Aphid technology; with special reference to the study of aphids in the field