@article{CTT100544637, author = {K. Tsuji and S. Fujikawa and K. Yamada and N. Yoshida and K. Yamamoto and T. Kikugawa}, title = {Precise Measurement of the 13CH4/12CH4 Ratio of Diluted Methane Using a Near-Infrared Laser Absorption Spectrometer}, journal = {Sensors and Actuators B: Chemical}, year = 2006, } @article{CTT100481632, author = {K.Uehara and K.Yamamoto and T.Kikugawa and S.Toyoda and K.Tsuji and N.Yoshida}, title = {Precise Isotope Abundance Ratio Measurement of Nitrous Oxide Using Diode Lasers}, journal = {Sensors and Actuators B: Chemical}, year = 2003, } @inproceedings{CTT100544657, author = {藤川誠二 and 辻潔 and 山本和成 and 上原喜代治 and 菊川 知之 and 吉田尚弘}, title = {レーザー分光法を用いたメタンの炭素同位体比計測}, booktitle = {2001年度日本地球化学会年会講演要旨集}, year = 2001, }