000			00406cam a22001457a 4500
008			180718b1971 xxu||||| |||| 00| 0 eng d
082			_aI57 Ob6
100			_aO!brien, J.J.
245			_aCPM in construction management: project management with CPM _cby J.J. O! brien
250			_a2nd ed.
260			_aN.Y. _bMcGraw- Hill _c1971
300			_a321p.
500			_a$14.50
650			_aCritical Path Analysis
999			_c350737 _d350737