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2. A technical framework for life-cycle assessments,1991
3. A general framework for environmental life-cycle assessment of products;Udo de Haes,1992
4. Quantitative Life Cycle Assessment of Products: Goal Definition and Inventory;Guinée;Accepted for publication in the Journal of Cleaner Production,1992
5. Quantitative Life Cycle Assessment of Products: Classification, Valuation and Improvement Analysis;Guinée;Accepted for publication in the Journal of Cleaner Production,1992