TY - CPAPER AU - Maria Tsinkoburova TI - NOTES ABOUT EAST OF BALTOSCANDIA AS A POSSIBLE CENTER OF BIODIVERSITY BY MIDDLE ORDOVICIAN ORTHIDAE (BRACHIOPODA) T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 383 EP - 392 DO - 10.5593/sgem2017/11/s01.049 PB - STEF92 Technology ER -