@article{oai:soar-ir.repo.nii.ac.jp:00012288, author = {TAKEMURA, TOSHIJI}, issue = {2}, journal = {信州大学理学部紀要}, month = {Mar}, note = {The author has studied the yellowing of silk by exposing it to light. Measurement has mainly been carried out by the colorimetrical method. It has been proved that the coloring of silk by light lies between the coloring of tryptophane and that of tyrosine and in the early stage of exposure it is closer to the former, while it is closer to the latter in the end. The author has also obtained the empirical formula referring to the velocity of the yellowing., Article, 信州大学理学部紀要 1(2): 71-78(1967)}, pages = {71--78}, title = {Optical Studies on the Yellowing of Silk (1)}, volume = {1}, year = {1967} }