A Branch and Bound Algorithm for Integer Quadratic Knapsack Problems. - Kurt M. Bretthauer; Bala Shetty; Siddhartha Syam (INFORMS J. Comput., 1995)

Production and inventory management under multiple resource constraints. - Kurt M. Bretthauer; Bala Shetty; Siddhartha Syam; Robert J. Vokurka (Math. Comput. Model., 2006)