00265nam a2200133Ia 4500020000900000082000800009100001600017245002900033250000800062260004100070300000800111500000600119650000600125  aNULL  a548  aBunn, C. W. 0aChemical Crystallography  a2nd  aLondonbOxford At The Clarenod Press  a509  a0  a-