WASET
    G. A. Florides and  E. Theofanous and  I. Iosif-Stylianou and  P. Christodoulides and  S. Kalogirou and  V. Messarites and  Z. Zomeni and  E. Tsiolakis and  P. D. Pouloupatis and  G. P. Panayiotou,  Thermal Properties of the Ground in Cyprus and Their Correlations and Effect on the Efficiency of Ground Heat Exchangers.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 86(2). 112 - 116
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997552.