@article{Kolev_GROZEVA_2012, title={REGIONAL DISTRIBUTION OF SOME DEMOGRAPHIC AND LAND-USE PARAMETERS IN BULGARIA}, url={https://discussionpapers.rkk.hu/index.php/DP/article/view/2373}, number={Special}, journal={Discussion Papers}, author={Kolev, Boris and GROZEVA, MARIA}, year={2012}, month={Jul.}, pages={38–43} }