00326nam a2200121Ia 4500082001900000100002600019245003400045260003400079300001000113490007100123500000500194700000500199  a339.2bW436.SS  aWeizsackar, C. C. Von  aSteady state capital theoryb  aBerlinbSpringer-Verlagc1971  a102p.  aLecture notes in Operations Research and Mathematical system v 54  a  a