00345nam a2200133Ia 4500008004100000041000800041082001700049100002000066245002600086260005100112300001400163365001100177650002300188210719s1969    xx            000 0 und d  aeng  a541.901 SANC  aSANDERSON (R T)  aChemical periodicity.  aNDbAffiliated East-West Prees Pvt. Ltd.c1969  ax,330bHB  b15cRs  aPhysical Chemistry