@article {18009, title = {Family Sphingidae}, journal = {Gross-Schmetterlinge der Erde}, volume = {2}, year = {1934}, month = {1934}, pages = {286}, keywords = {CATALOGUE, SPHINGIDAE}, author = {Gehlen, B.} } @article {18001, title = {Family: Sphingidae, hawk moths}, journal = {Gross-Schmetterlinge der Erde}, volume = {2}, year = {1932}, month = {1932}, pages = {137-166}, chapter = {137}, keywords = {CATALOGUE, HYLES, SPHINGIDAE}, author = {Gehlen, B.} }