TY - RPRT TI - Microwave spectral tables : volume III. polyatomic molecules with internal rotation AU - Wacker, Paul F AU - Cord, Marian S AU - Burkhard, Donald G AU - Petersen, Jean D AU - Kukol, Raymond F PY - 1969 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS MONO 70v3 DO - 10.6028/NBS.MONO.70v3 ER -