Glitch Statistics of Radio Pulsars : Multiple populations
  There appears to be more than one statistically different populations in the energy distribution of glitches, strongly indicative of different mechanisms accessing different energy ranges responsible for them. 
Sushan Konar (NCRA-TIFR) and Mihir Arjunwadkar (CMS, UoP)
astro-ph.SR astro-ph.HE