TY - GEN AU - Waksman, David AU - Streed, Elmer R AU - Reichard, Thomas W AU - Cattaneo, Louis E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1978-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.78-1305a LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1978 TI - Provisional flat plate solar collector testing procedures ::first revision ER -