AN ACOUSTIC APPROACH TO MILLIMETER-WAVE LINEWIDTH SPECTROSCOPY A. Di Lieto, G. Buffa, P. Minguzzi, O. Tarrini, M. Tonelli et M. Meucci J. Phys. Colloques, 44 C6 (1983) C6-547-C6-551 DOI: 10.1051/jphyscol:1983690