Semiempirical Quantum Chemical Method and Artificial Neural Networks Applied for lambdamax Computation of Some Azo Dyes. - Guo-Zheng Li 001; Jie Yang 002; Haifeng Song 004; Shang-Sheng Yang; Wen-Cong Lu; Nian-yi Chen (J. Chem. Inf. Model., 2004)