00459nam a2200157Ia 4500008004100000082001700041100002200058245003900080260004600119300000800165650003800173650003400211653002200245653001400267700002000281170901s1965    xx            000 0 und d  a620.02bS72E  aSteinberg, Joseph 0aEstimating for the Building Trades  aChicagobAmerican Technical Societyc1965  a504  aEngineering and allied operations  aTechnology (Applied sciences)  aCivil engineering  aEstimates  aStempel, Martin