1. Determination of defrosting start time in an air-to-air heat pump system by frost volume calculation method. (December 2018) Authors: Yoo, Jin Woo; Chung, Yoong; Kim, Gwi Taek; Song, Chi Woo; Yoon, Pil Hyun; Sa, Yong Cheol; Kim, Min Soo Journal: International journal of refrigeration Issue: Volume 96(2018) Page Start: 169 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗