1. Azapagic, A. (1996): Application of Linear Programming to Life Cycle Assessment. PhD Dissertation. University of Surrey, UK
2. Azapagic, A. andR. Gift (1994): Allocation of Environmental Burdens by Whole-System Modelling — The Use of Linear Programming. In: Allocation in LCA. (Huppes, G. andF. Schnfider, eds.). SETAC-Europe, Brussels
3. Azapagic, A. andR. Clift (1995a): Whole System Modelling and Life Cycle Assessment. In: The 1995 IChemE Research Event, Vol. 1, 429–431. IChemE, Rugby
4. Azapagic, A. andR. Clift (1995b): Life Cycle Assessment and Linear Programming — Environmental Optimisation of Product System. Comp. & Chem. Eng. Vol. 19, Suppl., 229–234
5. Azapagic , A. andR. Clift (1998a): Life Cycle Assessment and System Optimisation. Forthcoming