00549cam a2200169 i 4500020004400000050001600044100002200060245005200082250001200134260003500146300003700181490004500218500001900263650002500282650004600307700002600353  a9783642310539 (hard cover : alk. paper)00aT 57.6bEIS1 aEiselt, Horst A.,10aOperations research :ba model-based approach /  a2nd ed.  aNew York : bSpringer, cc2012  axiii, 446 pages ;bIllustrations0 aSpringer texts in business and economics  aIncludes index 0aOperations research. 0aOperations research - mathematical models1 aSandblom, Carl-Louis,