%0 Journal Article %T Infrared and Raman spectra of three tetrametaphosphatesM2P4O12(M = Fe, Ni, Zn) %A G Aruldhas %A K Viswanathan %A V U Nayar %J - %D 1985 %U https://www.ias.ac.in/describe/article/jcsc/095/05-06/0463-0469