TY - JOUR AU - J. Shull AU - D. Woods BT - The Astrophysical Journal DA - Jan-01-1985 DO - 10.1086/162762 PY - 1985 EP - 50 T2 - The Astrophysical Journal TI - Interstellar cloud phase transitions - Effects of metal abundances, grains, and X-rays UR - http://adsabs.harvard.edu/full/1985ApJ...288...50S VL - 288 SN - 0004-637X ER -