@book{bhlitem209101, title = {The journal of raptor research }, volume = {v.27:no.4 (1993)}, copyright = {In copyright. Digitized with the permission of the rights holder.}, url = {https://www.biodiversitylibrary.org/item/209101}, note = {https://www.biodiversitylibrary.org/bibliography/119679}, publisher = {Hastings, Minn, Raptor Research Foundation, ©1987-}, author = {Raptor Research Foundation.}, year = {1993}, pages = {56}, keywords = {Birds of prey|Periodicals}, }