The Energetic Gamma-Ray Experiment Telescope (EGRET) instru ment on the Compton Gamma-Ray Observatory left as a legacy its Third Catalog of High Energy Gamma-Ray Sources, whose ...

Puts the broad empirical knowledge on weed ecology into a theoretical framework.

Intended for ecologists, soil scientists, plant microbiologists, botanists, entomologists and libraries, this volume contains five papers dealing with a range of plant, animal ...