Kumar, Hemantha GN and Rao, Lakshmana J and Gopal, NO and Narasimhulu, KV and Chakradhar, RPS and Rajulu, Varada A (2004) Spectroscopic investigations of $Mn^{2+}$ ions doped polyvinylalcohol films. In: Polymer, 45 (16). pp. 5407-5415.