5Brian G.Moore. Orbital Plots Using Gnuplot.Journal of Chemical Education, 2000; 77(6): 785 ~ 787
6Paul M.Lahti,Eric J.Motyka, Robert J.Lancashire. Interactive Visuallization of infrared Spectral Data. Aynergy of Computation of Computation ,Visualzation,and Experiment for learing Spectroscopy.Journaal of Chemical Education,2000; 77(5): 649 ~ 654
7Enda Howard and Cassidy .Analysis with Microelectrocles using Microsoft Excel Solver .Journal of Chemical Education,2000; 77(3):409~411