Ryder, Lewis H.. Quantum field theory / Lewis H. Ryder. - 2nd ed / . - Cambridge : Cambridge University Press , 1996(rep.1997). - xv,487p. : figs ; 25cm . NULL ISBN: 0521472423 Rs. 2015.64 Subjects--Index Terms: QUANTUM FIELD THEORY Dewey Class. No.: 530.143 / RYD/Q