Shuji Asaka, Shunsuke Nakanishi, Hiroshi Itoh, Masao Kamada, Masayuki Watanabe, Osamu Arimoto, Shigeki Fujiwara, Toru Tsujibayashi, Minoru Itoh,
Time-gated photon counting method for two-photon spectroscopy using synchrotron radiation and laser Review of Scientific Instruments. ,vol. 69, pp. 1931- 1933 ,(1998) ,
10.1063/1.1148874