TY - JOUR AU - J. Shull BT - The Astrophysical Journal DA - Jan-10-1979 DO - 10.1086/157379 PY - 1979 EP - 182 T2 - The Astrophysical Journal TI - Copernicus observations of interstellar matter toward the Orion OB1 association. I - Epsilon and Pi-5 Orionis UR - http://adsabs.harvard.edu/doi/10.1086/157379 VL - 233 SN - 0004-637X ER -