TY - RPRT TI - Microwave spectral tables : line strengths of asymmetric rotors AU - Wacker, Paul F AU - Pratto, Marlene R PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS MONO 70v2 DO - 10.6028/NBS.MONO.70v2 ER -