00488nam a2200169Ia 4500008004100000082001700041100001900058245005600077250000600133260004000139300000800179650003800187650003400225653002200259653001400281700002300295170901s1968    xx            000 0 und d  a620.02bG25E  aGeddes, Spence 0aEstimating for Building and Civil Engineering Works  a2  aLondonbGeorge Newnes Limitedc1968  a472  aEngineering and allied operations  aTechnology (Applied sciences)  aCivil engineering  aEstimates  aSmith, G. Chrystal