“…Reviews of several areas of mass spectrometry have been written (147,746,1139). Many others are presented in appropriate places later in this article but some reviews that are to be noted here concern applications of mass spectrometry to metallurgical research (1129), high resolution mass spectrometry (1001), organic applications (1257), laser utilization in mass spectrometry (1522), and the mass spectrometer as a research laboratory (1055). both quadrupole (1236) and monopole units (956) have been made.…”