| 61 | |
| 62 | |
| Language: | English |
| 63 | |
| 64 | |
| Language: | English |
| 65 | |
| 66 | |
| Language: | English |
| 67 | Measurement of axial and off-axis aberrations in microscope objectives |
| 68 | |
| Language: | English |
| 69 | |
| 70 | study of optical absorption in polyatomic molecular constants of diatomic molecules |
| Language: | English |
| 71 | Light absorption in paramagnetic ions in solid and state of solution |
| 72 | Colour centres produced in hypocrystals by X-ray irradiation |
| Language: | English |
| 73 | |
| 74 | |
| Language: | English |
| 75 | Infrared absorption and debye waller factor due to substitutional impurity in cubic crystals |
| 76 | Colour centres in alkali halides doped with cadmium and zinc |
| Language: | English |
| 77 | Studies on the colour centres and allied properties of calcium fluoride |
| 78 | Optical absorption of Mn2+, Co2+ and Ni2+ in certain single crystals |
| Language: | English |
| 79 | study of light absorption in X03 ions in state of aqueous solution |
| 80 | |
| Language: | English |