TY - BOOK AU - Ngangkham Nimai Singh AU - Prof A N Mitra Supervisor 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 - Hedronic and elctromagnetic transition amplitudes in a two-tier be the-salpeter formalism for qq systems PY - 1988/// KW - PHYSICS ER -