On Two Commodity Network Flows. - B. Rothschild; Andrew B. Whinston (Oper. Res., 1966)

Feasibility of Two Commodity Network Flows. - B. Rothschild; Andrew B. Whinston (Oper. Res., 1966)

Letter to the Editor - Computing Two-Commodity Flows. - B. Rothschild; Andrew B. Whinston; J. Kent (Oper. Res., 1968)