1. Two single machine sequencing problems involving controllable job processing times;Vickson;AIIE Transactions,1980
2. AMPL: a modeling language for mathematical programming;Fourer,1993
3. A view of unconstrained optimization;Dennis,1989
4. Dixon LCW, Szegö GP, editors. Towards global optimization. Amsterdam: North-Holland, 1975.
5. Dixon LCW, Szegö GP, editors. Towards global optimization, vol. 2. Amsterdam: North-Holland, 1978.