1. Experience with heat extraction and zone boundary motion;Nielsen,1983
2. A salt gradient solar pond for greenhouse heating application: performance during the first operating months;Collares Pereira,1983
3. Salt gradient solar pond for heating a farm residence;Sidles,1983
4. Passive stabilization of gradient zone boundaries in solar ponds;Hull,1984
5. Operational results for a 3355 m2 solar pond in El Paso, Texas;Swift,1987