TY - JOUR AU - J. Shull AU - Robert Fesen AU - J. Saken BT - The Astrophysical Journal DA - Jan-11-1989 DO - 10.1086/168067 PY - 1989 EP - 860 T2 - The Astrophysical Journal TI - Pulsar reenergization of old supernova remnant shells UR - http://articles.adsabs.harvard.edu/full/1989ApJ...346..860S VL - 346 SN - 0004-637X ER -