000			00387nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aWALLDIN(Knut-Erik)
245			_aAspects of operations research in theory and practice
260			_aUppsala
260			_bAlmqvist and Wiksells
260			_c1969
300			_a233 p.
942			_cBooks
999			_c9279 _d9279