000 00314pam a2200133a 44500
082 _a548.7
_bW884d
100 _aWollfson, M. M.
245 1 _aDIRECT METHODS IN CRYSTALLOGRAPHY
260 _aOxford
_bClarendon Press
_c1961
300 _a144
650 _aCrystallography
964 _gCIRC
997 _a10238 C
999 _c433023
_d433023