1. Equilibrium thickness of the stable gradient zone in solar ponds;Nielsen,1978
2. The physics of the solar pond;Weinberger;Solar Energy,1964
3. Conditions for absolute stability of salt gradient solar ponds;Nielsen,1978
4. Salt gradient solar pond development;Nielsen;The Ohio State University Research Foundation Report No. EG-77-G-D4-4155,1979
5. Solar Ponds;Tabor,1981