1. SETAC (Society of Environmental Toxicology and Chemistry) (1993): Guidelines for Life-Cycle Assessment: a code of ‘practice’. Sesimbra, Portugal. Ed. Consoli F et al., Pub. Setae. Workshop 31/3-3/4
2. Curran MA (1996): Environmental Life Cycle Assessment. McGraw-Hill
3. Guinée JB (1996): Development of a Methodology for Environmental Life Cycle Assessment of Products. Ph.D. Thesis. Leiden University. The Netherlands. 1995 In: Nieuwlaar E, Alsema E, Van Engelenburg B: Using Life Cycle Assessments for the Environmental Evaluation of Greenhouse Gas Mitigation Options. Energy conversion and Management. Vol. 37, N. 6-8, 831–836. Elsevier Science Ltda
4. Boguski TK, Hunt RG, Cholakis JM, Franklin WE (1996): LCA Methodology In: Curran, M.A. Environmental Life Cycle Assessment. Cap. 2.2. McGraw-Hill
5. ISO (1997): ISO 14043 Environmental Management, Life Cycle Assessment, Life Cycle Interpretation