@InProceedings{l04-p359-368, AUTHOR = {Flavio~Keidi Miyazawa and Yoshiko Wakabayashi}, TITLE = {Packing problems with orthogonal rotations}, YEAR = 2004, ADDRESS = {Buenos Aires, Argentina}, BOOKTITLE = {Proc.~of the 6th Latin American Symposium on Theoretical Informatics (LATIN'04)}, PAGES = {359--368}, KEYWORDS = {}}