@article{oai:nitech.repo.nii.ac.jp:00004468,
 author = {Niwa, Hiroshi and Yasui, Takashi and Yuchi, Akio and Yamada, Hiromichi and Wada, Hiroko},
 issue = {1},
 journal = {Analytical sciences : the international journal of the Japan Society for Analytical Chemistry},
 month = {Feb},
 note = {application/pdf},
 pages = {137--140},
 title = {Reversed-Phase Ion-Pair High-Performance Liquid Chromatography of Metal Chelates with Sulfonated 2-(2-Pyridylazo)-1-naphthols. Positional Effect of Sulfonate Group},
 volume = {13},
 year = {1997}
}