00309nam a2200097Ia 4500082001900000245009500019100003000114942000700144008004100151999001900192  a333.79968 WINK 0aCleaner energy, cooler climate : developing sustainable energy solutions for South Africa   a WINKLER, Harald  990275  cBK210825s9999    xx            000 0 und d  c557845d557844