000 00330nam a2200133Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a518.5-14
100 1 _aCivita Levi,T
245 1 _aSimplified presentation of Einstein's unified field equations
260 _c1929
653 _aMathematics
942 _cBK
999 _c33053
_d33053