Few body dynamics : proceedings of the VII International Conference on Few Body Problems in Nuclear and Particle Physics, Delhi, December 29, 1975-January 3, 1976 / sponsored by the Indian National Science Academy, University Grants Commission, and I.U.P.A.P.-U.N.E.S.C.O. ; also supported by Kothari Scientific Research Institute ; hosted by the University of Delhi ; edited by Asoke N. Mitra ... [et al.].