000 00604nam a2200193Ia 4500
919 _a062672
020 _a0716710625
082 _a530.11
_bN791
100 _aFrankel,Theodore.
245 _aGravitational curvature
_ban introduction to einstein's theory
_cby Theodore Frankel
260 _aSan Francisco
_bW.H.Freeman and Company
_c1979
300 _axviii, 172p.
690 _aRelativity; Gravitation
999 _c60521
_d60521