@article{article45ecbf56,
title   = {Approximation algorithms for the orthogonal Z-oriented three-dimensional packing problem},
author = {Miyazawa, Flávio Keidi and Wakabayashi, Yoshiko},
year = {2000},
doi = {10.1137/S009753979631391X},
publisher = {SIAM},
journal   = {Siam Journal on Computing}
}