The world in eleven dimensions : supergravity, supermembranes and M-theory / edited by M.J. Duff. Supergravity, supermembranes and M-theory Supermembranes M-theory Duff, M. J. Institute of Physics (Great Britain) Unified field theories. Supergravity. Supersymmetry. Superstring theories. QC794.6.G7 W685 1999eb 530.1423 WOR Includes bibliographical references. Bristol ; Philadelphia : Institute of Physics, 1999. 1999. 1999 Text xi, 513 p. ; eng Studies in high energy physics, cosmology, and gravitation Studies in high energy physics, cosmology, and gravitation.