00399nam a2200097Ia 4500008004100000100001900041245016800060260004000228300001200268700002100280220214s9999    xx            000 0 und d  aHeller Wilfred 0aExperimental investigations on the light scattering of colloidal spheres. VII. Resolving power of the sigma-spectra method for determining size distribution curves  bJournal of Physical Chemistryc1964  a931-934  aWallach Morton L