TY  - BOOK
AU  - Feynman,Richard P.
AU  - Penrose,Roger
TI  - Six not-so-easy pieces: Einstein's relativity, symmetry and space-time 
SN  - 9780140276671
U1  - 530.11 
PY  - 1997///
CY  - London
PB  - Penguin
KW  - Physics
KW  - Special relativity (Physics)
KW  - Space and time
N1  - Originally published: U.S.: Addison-Wesley, 1997; London: Allen Lane, 1998; APE
UR  - http://www.worldcat.org/title/six-not-so-easy-pieces-einsteins-relativity-symmetry-and-space-time/oclc/55199476&referer=brief_results
UR  - http://lib.ewubd.edu/ebook/5794
ER  -