Badur, Jordan, i Witold Cieślikiewicz. „Spatial Variability of Long-Term Trends in Significant Wave Height over the Gulf of Gdańsk Using System Identification Techniques”. Oceanological and Hydrobiological Studies, t. 47, nr 2, czerwiec 2018, s. 190-01, https://czasopisma.bg.ug.edu.pl/index.php/oandhs/article/view/8623.