TY - JOUR AU - V. Bujarrabal AU - J. Guibert AU - N. Rieu AU - A. Omont BT - Astronomy and Astrophysics N1 - JILA Pub. 2153 PY - 1980 SP - 311 EP - 316 T2 - Astronomy and Astrophysics TI - OH pumping by IR line overlap - Application to circumstellar masers UR - http://adsabs.harvard.edu/full/1980A\%26A....84..311B VL - 84 ER -