The Brazilian Society of Mechanical Sciences and Engineering (ABCM) EFFICIENCY, COST, OPTIMIZATION, SIMULATION AND ENVIRONMENTAL IMPACT OF ENERGY SYSTEMS. INTERNATIONAL CONFERENCE. 22ND 2009. (ECOS 2009) Held 30 August - 3 September 2009, Parana, Brazil. MSRP: Was: Now: Our Price: $175.00 Add to Cart The item has been added