Dissertations, Academic (Ph.D) 1 Rare earth oxalate crystals-Electric conductivity 1 Rare earth oxalate crystals-Microhardness 1 Rare earth oxalate crystals-Photoconductivity Rare earth oxalate crystals-Thermal analysis 1 Rare earth oxalate crystals-X-ray analysis 1 Silica gel 1 Thesis (Ph.D)-Physics 1