Róbert FENCÍK
Obituary of Ing. Pavol Kontra, PhD.
Fencík, R.: Obituary of Ing. Pavol Kontra, PhD. Kartografické listy, 2017, 25 (2).
The journal of the Cartographic Society
of the Slovak Republic
ISSN 1336-5274 (print)
ISSN 2729-8094 (online)