TY - BOOK ID - 61949 TI - Understanding relativity: a simplified approach to Einstein's theories PY - 1996 SN - 0520079868 PB - Berkeley University of California DB - UniCat KW - Theory of relativity. Unified field theory KW - Cosmology. KW - General relativity (Physics) UR - https://www.unicat.be/uniCat?func=search&query=sysid:61949 AB - ER -