000 00236pam a2200109a 44500
082 _a523.013
_bM72
100 _aHack, M.
245 1 _aMODERN ASTROPHYSICS
260 _a
_bGauthier Villars
_c1967
964 _gCIRC
997 _aK12640 C
999 _c381066
_d381066