Helmut Fritz Van Emden
Helmut Fritz Van Emden
5 ספרים במאגר
ספרים
Pest and vector controlHelmut Fritz Van Emden
Pest and vector control
Helmut Fritz Van Emden · 2004
Handbook of agricultural entomologyHelmut Fritz Van Emden
Handbook of agricultural entomology
Helmut Fritz Van Emden · 2013
Statistics for terrified biologistsHelmut Fritz Van Emden
Statistics for terrified biologists
Helmut Fritz Van Emden · 2008
Aphids as crop pests / edited by Helmut F. van Emden and Richard HarringtonHelmut Fritz Van Emden
Aphids as crop pests / edited by Helmut F. van Emden and Richard Harrington
Helmut Fritz Van Emden · 2007
Beyond silent springHelmut Fritz Van Emden
Beyond silent spring
Helmut Fritz Van Emden · 1996