00400nam a2200109Ia 450000500170000000800410001705000200005810000280007824501240010626000470023065000130027720251229172641.0251229s9999    xx            000 0 und d  aQD 381 .K46S54   aSifuna, Douglas Bukhebi 0aOptimizing thermal storage efficiency of a salt gradient solar pond using polyethylene membranecDouglas Bukhebi Sifuna  aNjorob Egerton Universityc Egerton press  aPolymers