1. Electricity tariffs, Provincial Electricity Authority (PEA), http://www.pea.or.th/rate_e.htm (accessed 4 February, 1999), 1997
2. C.E. Dorgan, J.S. Elleson, Design Guide for Cool Thermal Storage, USA, 1993
3. ASHRAE, Thermal Storage, 1995 ASHRAE Handbook: HVAC Applications, SI ed., American Society of Heating, Refrigerating and Air-Conditioning Engineers, Atlanta, 1995 (Chapter 40)
4. Component models for computer simulation of ice storage systems;Silver;ASHRAE Transactions,1989
5. Modeling of ice-storage tanks;Jekel;ASHRAE Transactions,1993