KÁČER, Marek - ALEXY, Martin. Limits of correlation analysis - the selection of explanatory variables based on correlations. In 5th winter seminar of regional science. 5th winter seminar of regional science : proceedings : High Tatras, 11th -14th march 2015. - Bratislava : EKONÓM publishing, 2015. ISBN 978-80-225-4072-8, s. 1-10 CD-ROM.