Infrared and Raman studies of manganese dihydrogen phosphate dihydrate, Mn(H2PO4)2·2H2O. II. The region of the internal oh group vibrations - V. Koleva, V. Stefov, A. Cahil, M. Najdoski, B. Šoptrajanov, B. Engelen, H.D. Lutz (My University, 2009)