Alam, M. K., M. S. Ishtiaque, M. I. Hossain, and H. Takaba. “Intermolecular Vibrational Modes of Crystalline Poly-(r)-3-Hydroxybutyrate Observed at Terahertz Frequencies Investigated by Molecular Dynamics”. Bangladesh Journal of Physics, vol. 26, no. 2, Sept. 2020, pp. 21-31, doi:10.3329/bjphy.v26i2.49303.