TY - JOUR AU - M. Dopita AU - R. Sutherland BT - The Astrophysical Journal DA - Jan-12-1995 DO - 10.1086/176596 PY - 1995 EP - 468 T2 - The Astrophysical Journal TI - Spectral Signatures of Fast Shocks. II. Optical Diagnostic Diagrams UR - http://adsabs.harvard.edu/full/1995ApJ...455..468D VL - 455 SN - 0004-637X ER -