An approximation algorithm with absolute worst-case performance ratio 2 for two-dimensional vector packing.

Hans Kellerer Vladimir Kotov An approximation algorithm with absolute worst-case performance ratio 2 for two-dimensional vector packing. 35-41 2003 31 Oper. Res. Lett. 1 http://dx.doi.org/10.1016/S0167-6377(02)00173-6 db/journals/orl/orl31.html#KellererK03