@article {MendesdAzevedo1909, title = {{Lepidopteros mais variaveis de Portugal da fam. Geometridae}}, journal = {Brot{\'e}ria, S{\'e}rie Zool{\'o}gica}, volume = {8}, year = {1909}, pages = {67{\textendash}73}, author = {Mendes d{\textquoteright}Azevedo, Candido} }