Aphids as crop pests / edited by H.F. van Emden and R. HarringtonHelmut Fritz Van Emden · First published 2007Open the Tome
Pest and vector controlHelmut Fritz Van Emden, H. F. Van Emden, M. W. Service · First published 2004Open the Tome
Beyond silent springHelmut Fritz Van Emden, H. F. Van Emden, David B. Peakall · First published 1996Open the Tome
Biodiversity and global changeOtto Thomas Solbrig, Helmut Fritz Van Emden · First published 1992Open the Tome
Aphid technology; with special reference to the study of aphids in the fieldHelmut Fritz Van Emden · First published 1972Open the Tome
