TY - JOUR AU - Odashima, H AU - Tachikawa, M AU - Zink, L AU - Evenson, K C2 - Journal of Molecular Spectroscopy DA - 1998-01-01 00:01:00 LA - en M1 - 188 PB - Journal of Molecular Spectroscopy PY - 1998 TI - Heterodyne Frequency Measurement of a Sub-Doppler Stabilized Mid-Infrared 15NH3 ER -