TY - BOOK ID - 136982769 TI - Seventeen simple lectures on general relativity theory PY - 1981 SN - 0471096849 PB - New York (N.Y.): Wiley DB - UniCat KW - General relativity (Physics) UR - https://www.unicat.be/uniCat?func=search&query=sysid:136982769 AB - ER -