उपेन्द्रविज्ञानसूत्रम्- Upendra Vigyan Sutram by Shri Upendradatta Pandey (An Old Book)
From Hindupedia, the Hindu Encyclopedia
उपेन्द्रविज्ञानसूत्रम् - Upendra Vigyan Sutram by Shri Upendradatta Pandey (An Old Book) - Mangal Dev Shastri - A treatise on scientific principles and their metaphysical interpretations.