00290cam a22000977a 4500008004000000082001800040100002000058245007000078260003100148300001300179180718b1970   xxu||||| |||| 00| 0 eng d  aIBRD T25 B322  aBatters, Albert  aNetwork analysis : for planning and schedulingcby Albert Batters  aNew YorkbJohn Wlieyc1970  aix,332p.