00421nam a2200181Ia 4500008004100000041001200041082000800053082001100061100001300072100001100085245003600096260001600132260002600148260000900174300001500183365002500198650001600223150909s9999    xx            000 0 und d  aEnglish  a620  bKRE/PR  aKreith F  eAuthor  aPrinciples of solar engineering  aWashing ton  bHemisphere publishing  c1978  a778  Pages  aUSD.26.95             aEngineering