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	1 Introduction
	2 Selection criteria
	3 Observations and reductions
	4 Results and discussion
	5 Conclusions
	References
	Online Material
	Appendix A: PM 1-212, a young stellar object
	Appendix B: H II regions
	Appendix C: GLMP 9, a G giant with infrared emission
	Appendix D: Objects with unclear classification

	List of tables
	List of figures