@article{{qqml}{}, author = {Kapidakis, S.}, title = { Unexpected Errors from Metadata OAI-PMH Providers}, journal = {Qualitative and Quantitative Methods in Libraries}, volume = {7}, number = {2}, year = {2019}, url = {http://78.46.229.148/ojs/index.php/qqml/article/view/468} }