TY - GEN ED - TI - Solar thermal technology - research development and application: Proceedings of the forth international symposium SN - 1-56032-095-8 U1 - 621.47 PY - 1990/// CY - New York PB - Hemisphere KW - Power resources - congresses KW - Power(machanics) - congresses N1 - Includes bibliographical references and ildex ER -