TY - BOOK AU - Feynman, Richard P. TI - Six not-so-easy pieces : Einstein's relativity, symmetry, and space-time SN - 9780140276671 U1 - 530.11 FEY-R PY - 2011/// CY - India PB - Penguin Books KW - Space and time KW - Special relativity (Physics) ᅠ KW - Symmetry (Physics) ᅠ ER -