TY - BOOK AU - Bandhopadhyay Debdas AU - Biswas S N Gu. AU - University of Delhi. Faculty of Science. Department of Physics and Astrophysics ED - University of Delhi. Faculty of Science. Department of Physics and Astrophysics TI - Some investigations on elementary partical interactions based on dynamical and symmetry methods PY - 1968/// CY - Delhi PB - University of Delhi KW - PHYSICS ER -