TY - BOOK AU - Michels,Tim TI - Solar energy utilization SN - 0442253680 AV - TJ810 .M52 1979 U1 - 333.7 PY - 1979/// CY - New York PB - Van Nostrand Reinhold KW - Solar energy KW - Local N1 - Includes index; Bibliography: p. 235-239 ER -