1. Kulay LA. Desenvolvimento de modelo de análise de ciclo de vida adequado às condições brasileiras: aplicação ao caso do superfosfato simples. Master thesis. São Paulo, Brazil: Escola Politécnica da Universidade de São Paulo; 2000 [in Portuguese].
2. Environmental management – life cycle assessment: principles and framework 14040,1997
3. Environmental assessment of products;Wenzel,1997
4. Framework for environmental of an industrial process chain;Sonneman;Journal of Hazardous Materials,2000
5. Application of life cycle assessment to the LCA case studies single super phosphate production;Silva;International Journal of Life Cycle Assessment,2003