title: Single crystal EPR, optical absorption and superposition model study of Cr3+ doped ammonium dihydrogen phosphate.
authors.affiliation: EPR Laboratory, Department of Physics, University of Allahabad, Allahabad 211002, India. ram kripal2001@rediffmail.com
authors.forename: Ram
authors.initials: R
authors.lastname: Kripal
authors.forename: Sangita
authors.initials: S
authors.lastname: Pandey