Polkinghorne, J. C. Models of high energy processes / J. C. Polkinghorne. - Cambridge ; Cambridge University Press, 1980. - xiv, 131 p. : ill. ; 24 cm. - Cambridge monographs on mathematical physics . ISBN: 0521223695 Subjects--Index Terms: Particles (Nuclear physics)--Mathematical models. Perturbation (Quantum dynamics Feynman integrals. Dewey Class. No.: 530.1/2 / POL