00243nam a2200109Ia 4500008004100000041000800041082000800049100001400057245002100071260003300092300000800125211209s1969    xx            000 0 und d  aeng  aING  aINGERSOLL  aHEAT CONDUCTION   aLONDONbOXFORD AND IBHc1969  a338