Experimental and theoretical investigations on N,N'-diphenylguanidinium dihydrogen phosphite - a semi-organic nonlinear optical material
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy (2015) - Comment
pubmed: 25506651  doi: 10.1016/j.saa.2014.11.054  issn: 1873-3557  issn: 1386-1425 

G. Saravanakumar, G. Manobalaji, P. Murugakoothan