Das, S. K., H. Ishiyama, Y. Watanabe, H. Miyatake, Y. Hirayama, S. Jeong, and K. Yamaguchi. “Energy Resolution and Gas Gain of an Active-Target Type Gas Counter of GEM-MSTPC”. Journal of Bangladesh Academy of Sciences, vol. 37, no. 2, Jan. 2014, pp. 139-44, doi:10.3329/jbas.v37i2.17553.