The Songs of the Grasshoppers and Crickets of Western Europe

Bok av David Robert Ragge
A work on the songs of the grasshoppers and crickets of Western Europe, with over 1600 oscillograms taken from the 170 species and subspecies covered, as well as 11 confusibles from other orders (cicadas, amphibians and birds). The majority are recorded on two compact disks, available separately.