@article {10139,
	title = {Hexagonal standing-wave patterns in periodically forced reaction-diffusion systems},
	journal = {Chinese Physics Letters},
	year = {2006},
	pages = {1414-1417},
	doi = {10.1088/0256-307X/23/6/016},
	author = {Ke Zhang and Hong-Li Wang and Chun Qiao and Qi Ouyang}
}
