000			00331nam a2200133Ia 4500
100			_aWatson, Don A
020			_a0-07-068476-6
250			_a3rd ed.
942			_cBK
245			_aConstruction materials and processes
260			_aGregg Division Mc Graw-Hill book company, New York _c1986
082			_a691 Wat
300			_aix,486
999			_c64006 _d64006