@article{12997, author = "Buychguens, L. M. and ICA XIth International Cartographic Conference, Warszaw, 1982", title = "Inormation Retriveal Languages for Cartographic Document Systems: Classifications and Thesauri. XIth International Cartographic Conference, Warszaw 1982. Problem 2. New methods of data acquisition and automatization in thematic and topographic mapping ", year = "1982", note = "1 sv.", }