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Published online by Cambridge University Press: 12 April 2016
Some infrared counterparts of Type II OHAR sources have been observed between 1µ and 30µ. In spite of their having very similar OH emission spectra, their energy distributions differ considerably among themselves from “flat” (1. 25µ to 4. 9µ) to “steep” (2. 2µ to 20µ). The energy distributions are compared with more familiar objects.