1. Life Cycle Costing: Decision Making Tool for Capital Equipment Acquisitions;Kaufman;Journal of Purchasing,1969
2. Ibid. 18
3. Life Cycle Costing Saves Millions When Designing Industrial Plant;Air Conditioning, Heating and Refrigeration News,1976
4. Florida Law Requires Life Cycle Costs on State Financed Buildings;Air Conditioning, Heating and Refrigeration News,1975
5. Ohio Bill Would Require Life Cycle Costs in Bids, Ban Some Gas Appliances;Air Conditioning, Heating and Refrigeration News,1977