TY - GEN AU - Polchinski, Joseph. TI - String theory: an introduction to the bosonic string, vol. 1 SN - 9780521672276(pbk): U1 - 539.7258 23rd PY - 2005/// CY - New York PB - Cambridge University Press KW - String models KW - Superstring theories KW - Physics N1 - Includes bibliographical reference and index ER -