Principles of Light /
Singh, Harnam .
Principles of Light / Textual Documents Harnam Singh. - 2nd ed. / - New Delhi : S. Chand & Company , 1974. - 441p. : ill ; 22cm .
Light G-Physics
535 / Si 61 Pr
Principles of Light / Textual Documents Harnam Singh. - 2nd ed. / - New Delhi : S. Chand & Company , 1974. - 441p. : ill ; 22cm .
Light G-Physics
535 / Si 61 Pr
