Mohamed Cheriet Horst Bunke Jianying Hu Fumitaka Kimura Ching Y. Suen New Frontiers in Handwriting Recognition. 3129-3130 2009 42 Pattern Recognition 12 http://dx.doi.org/10.1016/j.patcog.2009.03.013 db/journals/pr/pr42.html#CherietBHKS09