00289nam a2200109Ia 4500008004100000041000800041100001900049245005800068250001000126260003500136300000800171211209s1978    xx            000 0 und d  aeng  aBELEELD, DAVIS  aSPON'S MECHANICAL AND ELECTRICAL SERVICES PRICE BOOK   a9 ed.  aLONDONbE& E N SPON LTD.c1978  a372