Siedlarczyk, E., M. Winczek, K. Zięba-Kulawik, and P. Wężyk. “SMART GREEN INFRASTRUCTURE IN A SMART CITY – THE CASE STUDY OF ECOSYSTEM SERVICES EVALUATION IN KRAKOW BASED ON I-TREE ECO SOFTWARE”. GeoScience Engineering, vol. 65, no. 2, June 2019, pp. 36-43, http://www.geoscience.cz/ojs/index.php/GSE/article/view/247.