Lee, C., Park, M., Min, S., Choi, H. and Sohn, B. (2010). “Evaluation of performance
of grouts and pipe sections for closed-loop vertical ground heat exchanger by in-situ
thermal response test.” Journal of Korean Geotechnical Society, Vol. 26, No. 7, pp.
93-106 (in Korean). Lee, C., Park, M., Min, S., Choi, H. and Sohn, B. (2010). “Evaluation
of performance of grouts and pipe sections for closed-loop vertical ground heat exchanger
by in-situ thermal response test.” Journal of Korean Geotechnical Society, Vol. 26,
No. 7, pp. 93-106 (in Korean).