APA
Roopak Pal, University of Delhi. Faculty of Science. Department of Physics and Astrophysics & University of Delhi. Faculty of Science. Department of Physics and Astrophysics. (1970). Gauge invaruiance and strong interaction. : .
Chicago
Roopak Pal, University of Delhi. Faculty of Science. Department of Physics and Astrophysics and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. 1970. Gauge invaruiance and strong interaction. : .
Harvard
Roopak Pal, University of Delhi. Faculty of Science. Department of Physics and Astrophysics and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. (1970). Gauge invaruiance and strong interaction. : .
MLA
Roopak Pal, University of Delhi. Faculty of Science. Department of Physics and Astrophysics and University of Delhi. Faculty of Science. Department of Physics and Astrophysics. Gauge invaruiance and strong interaction. : . 1970.