IR STIMULATED EMISSION ON THE 2 → 1 VIBRATIONAL TRANSITION OF CO AND NO IN SOLID N2 J.P. Galaup, J.Y. Harbec, J.J. Zondy, R. Charneau et H. Dubost J. Phys. Colloques, 46 C7 (1985) C7-299-C7-304 DOI: 10.1051/jphyscol:1985754