भारतीय राष्ट्रीय विज्ञान अकादमी
Indian National Science Academy
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Investigation of 1262 Doubles in the Perth Astrographic Catalogues -38° to -40° with an Angular Separation less than 15″ Part IV
Note on the Magnitude-diameter Relationship of 51976 Stars in the Melbourne Astrographic Catalogues -71° to -81°
Investigation of 635 Doubles in the Melbourne Astrographic Catalogues -71° to -81° with an Angular Separation Less than 15 Part VII