The Astrophysical Journal Letters
Volume 570
Number 2
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Edwin A. Bergin et al 2002 ApJ 570 L101 doi:10.1086/340950
N2H+ and C18O Depletion in a Cold Dark Cloud
FREEEdwin A. Bergin1, João Alves2, Tracy Huard1 and Charles J. Lada1
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