1. Johnson , D Global methanol market review 2014 http://www.ptq.pemex.com/productosyservicios/eventosdescargas/Documents/Foro%20PEMEX%20Petroqu
2. Aasberg-Petersen , K Stub Nielsen , C Large scale methanol production from natural gas 2013 http://www.topsoe.com/business_areas/methanol/media/PDF%20files/Methanol/Topsoe_large_scale_methanol_prod_paper.ashx
3. Department of Energy Distillation column modeling tools 2001 http://www1.eere.energy.gov/manufacturing/resources/chemicals/pdfs/distillation.pdf
4. A novel multi-effect methanol distillation process;Zhang;Chem. Eng. Prog,2010
5. Design of side stream distillation columns;Glinos;Ind Eng Chem Process Des Dev,1985