00326nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001700078100002200095245003900117260001600156650002000172440520261006003759.0120911s9999    xx            000 0 und d  a0070231516  a621.4022 GEM  aGebhart, Benjamin  aHeat conduction and mass diffusion  aMcgraw-Hill  aHeat-conduction