"Rubberflex Tire Company Cases (C)."

Arnoldo Hax. In Harvard Business Case 4-172-117, Cambridge, MA: January 1972.

"Rubberflex Tire Company Cases (D)."

Arnoldo Hax. In Harvard Business Case 4-172-118, Cambridge, MA: January 1972.

"Linear Programming."

Arnoldo Hax and Stephen Bradley. In Harvard Business School Note 4-170-025, Cambridge, MA: November 1971.

"Natural Gas Transmission System Optimization."

Dantzig, George B. and Arnoldo Hax. American Gas, 1970.

"Clustering in Aftershock Sequences."

Lomnitz, Cinna and Arnoldo Hax. In The Earth Beneath the Continents: A Volume Of Geophysical Studies In Honor Of Merle E. Tuve, Washington, DC: American Geophysical Union, 1966.