The following publications are possibly variants of this publication:
- An improved algorithm for the packing of unequal circles within a larger containing circleHuaiqing Wang, Wenqi Huang, Quan Zhang, Dongming Xu. eor, 141(2):440-453, 2002. [doi]
- Greedy algorithms for packing unequal circles into a rectangular containerW. Q. Huang, Y. Li, H. Akeb, C. M. Li. jors, 56(5):539-548, 2005. [doi]