1. D. Hawes, D. Banu, D. Feldman, Proceedings of the Sixth International Conference on Thermal Energy Storage, Epoo, Finland, August 22–25, 1994.
2. Latent heat storage in building materials
3. Latent heat storage in concrete
4. D. Hawes, Latent Heat Storage, Ph.D. Thesis, 1991, p. 79.