R. B. Hofstra

Thermal efficiency standards and codes. Volume 2. Relationships of ASHRAE standards and external factors to energy efficient building practices in new homes

N. E. Collins, L. N. McCold, P. B. Zuschneid, 1984 .

A New Multiperiod Multiple Traveling Salesman Problem with Heuristic and Application to a Scheduling Problem

Kenneth C. Gilbert, Ruth B. Hofstra, R. B. Hofstra, 1992 .