Fysickogeograficka regionalizacia Liptovskej kotliny. (Division physicogéographique de la cuvette de Liptov)OTAHEL, J.Quaestiones geobiologicae Bratislava. 1978, Vol 20, 83 p.Article

Studium percepcie krajinnej scenérie a jeho prinos k lokalizacii zariadeni cestovného ruchu. (Study of the landscape scenery perception and its contribution to the recreation facilities localization)OTAHEL', J.Geograficky casopis Bratislava. 1980, Vol 32, Num 4, pp 250-261Article

Land cover forms in Slovakia identified by application of colour infrared space photographs at the scale 1: 500 000FERANEC, J; OTAHEL, J.Geografický Časopis. 1992, Num 2, pp 120-126, issn 0016-7193Article

Geographical approach to interpretation of data obtained by remote sensing of Earth on the example of analysis of land use (land cover) = Accès géographique à l'interprétation des données obtenues par la télédétection sur l'exemple de l'analyse de l'utilisation de terrainFERANEC, J; OTAHEL, J.Geografický Časopis. 1984, Vol 36, Num 4, pp 366-377, issn 0016-7193Article

Geographical approach to interpretation of data obtained be remote sensing of earth on the example of analysis of land use (land cover)FERANEC, J; OTAHEL, J.Geograficky casopis Bratislava. 1984, Vol 36, Num 4, pp 366-377Article

Land cover/land use structure of SlovakiaOTAHEL, J; FERANEC, J.Rivista geografica italiana. 2002, Vol 109, Num 4, pp 783-795, issn 0035-6697, 13 p.Article

Land cover forms in Slovakia identified by application of colour infrared space photographs at the scale 1:500 000FERANEC, J; OŤAHEL', J.Geografický Časopis. 1992, Vol 44, Num 2, pp 120-126, issn 0016-7193Article

Vegetation formations map compiled by application of the colour infrared aerial photographs and GIS «SPANS» as a tool for flood plain vegetation analysisOTAHEL, J; FERANEC, J; SURI, M et al.Bulletin du Comité français de cartographie. 1994, Num 142-43, pp 219-228, issn 0755-7647Conference Paper