@article{Beh16a, author = {Behmanesh, E. and Pannek, J.}, title = {A memetic algorithm with extended random path encoding for a closed-loop supply chain model with flexible delivery}, journal = {Logistics Research}, year = {2016}, volume = {9}, number = {22}, doi = {10.1007/s12159-016-0150-y}, pages = {1-12} }