The Maximal Expected Covering Location Problem: Revisited. - Rajan Batta; June M. Dolan; Nirup N. Krishnamurthy (Transp. Sci., 1989)

Developing Conflict-Free Routes for Automated Guided Vehicles. - Nirup N. Krishnamurthy; Rajan Batta; Mark H. Karwan (Oper. Res., 1993)