1. ACI Committee 224. ACI Report 224R-01, Control of cracking in concrete structures
2. Amatya B, Soga K, Bourne-Webb P, Amis T, Laloui L (2012) Thermo-mechanical behaviour of energy piles. Géotechnique 62 6:503–519
3. Ballouz M, Nasr G, Briaud JL (1991) Dynamic and static testing of nine drilled shafts at Texas A&M University geotechnical research sites research Report to FHWA, Civil Engineering. Texas A&M University, Texas
4. Blum P, Campillo G, Munch W, Kolbel T (2010) CO2 savings of ground source heat pump systems—A regional analysis. Renew Energy 35(2010):122–127
5. Brandl H (1998) Energy piles and diaphragm walls for heat transfer from and into the ground. Proc 3rd Int Symp. On deep foundations on bored and auger piles, BAP III, Ghent, 37–60