1. P. M. Pakhomov, E. V. Kruglova, and S. D. Khizhnyak, Vysokomol. Soed., 42B, No. 6, 1081–1086 (2000).
2. P. M. Pakhomov, M. N. Malanin, E. V. Kruglova, and S. D. Khizhnyak, Vysokomol. Soed., 43B, No. 4, 764–768 (2001).
3. P. M. Pakhomov, S. D. Khizhnyak, M. N. Malanin, and Yu. N. Mikhailova, Zav. Lab., 68, No. 5, 31–33 (2002).
4. P. M. Pakhomov, M. N. Malanin, and S. D. Khizhnyak, Vysokomol. Soed., 47B, No. 6, 1066–1072 (2005).
5. M. N. Malanin, Spectroscopic Study of the Porosity of Polymers [in Russian], Thesis for Candidate of Chemical Sciences, Tver State University, Tver (2007).