@book{bhlitem51657, title = {The distribution of periodical cicadas in Illinois }, volume = {no.91}, copyright = {Public domain. The BHL considers that this volume is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/51657}, note = {https://www.biodiversitylibrary.org/bibliography/14995}, publisher = {Urbana, 1975}, author = {Stannard, Lewis J. (Lewis Judson), and Illinois. Natural History Survey Division}, year = {1975}, pages = {20}, keywords = {Cicadidae|Illinois|Periodical cicada|}, }