APA
Joy Kumar Singh Y, University of Delhi. Faculty of Science. Department of Physics and Astrophysics & University of Delhi. Faculty of Science. Department of Physics and Astrophysics. (1974). Study of inhour equation. : .
Chicago
Joy Kumar Singh Y, University of Delhi. Faculty of Science. Department of Physics and Astrophysics and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. 1974. Study of inhour equation. : .
Harvard
Joy Kumar Singh Y, University of Delhi. Faculty of Science. Department of Physics and Astrophysics and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. (1974). Study of inhour equation. : .
MLA
Joy Kumar Singh Y, University of Delhi. Faculty of Science. Department of Physics and Astrophysics and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. Study of inhour equation. : . 1974.
