TY - JOUR A1 - Cimren, E A1 - Fiksel, J A1 - Posner, M E A1 - Sikdar, K T1 - Material flow optimizatiion in by-product synergy networks. Y1 - 2011/04/ N1 - R833348 JF - JOURNAL OF INDUSTRIAL ECOLOGY VL - 15 IS - 2 SP - 315 EP - 332 ER -