title: Talk given at the banquet of the Southern California Society for Electron Microscopy, Los Angeles, May 12, 1967.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D001031:Apatites / Q000032:analysis; D004577:Electron Probe Microanalysis; D049673:History, 20th Century; D008854:Microscopy, Electron / Q000266:history / Q000295:instrumentation; D010161:Paleodontology; D012958:Societies, Scientific; D014481:United States
chemical_list: D000596:Amino Acids; D001031:Apatites