@inproceedings{sgem2019s07046,
  title = {INFORMATION SYSTEMS USED IN BULGARIAN UNIVERSITY LIBRARIES AS ONLINE PUBLIC ACCESS CATALOGS},
  author = {Stefka Petrova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing},
  year = {2019},
  pages = {353-360},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/2.1/s07.046}
}