@techreport{puchinger-04b,
 address = {Vienna, Austria},
 author = {Jakob Puchinger and Günther R. Raidl},
 institution = {Institute of Computer Graphics and Algorithms, Vienna
University of Technology},
 keywords = {evolcomp, hybrid, packing},
 number = {TR 186--1--04--04},
 title = {Models and Algorithms for Three-Stage Two-Dimensional Bin Packing},
 url = {https://www.ac.tuwien.ac.at/files/pub/puchinger-04b.pdf},
 year = {2004}
}