1. LP-MODEL:XPRESS-LP's Model Builder
2. Ashworth, A. and Au-Yeung, P. L. Y. The usefulness of maintenance cost records in life cycle cost:predictions. Building Maintenance Economics and Management, Transactions of the Research and Development Conference on the Management Economics of Maintenance of Built Assets, Bristol Polytechnic. May13–151987. Edited by: Spedding, A. pp.141–152. London: Spon.
3. Costs-in-use: principles in the context of building procurement