Microwave emission of the 211 → 212 rotational transition in interstellar acetaldehyde Fourikis, N. ; Sinclair, M. W. ; Robinson, B. J. ; Godfrey, P. D. ; Brown, R. D. Abstract Publication: Australian Journal of Physics Pub Date: June 1974 DOI: 10.1071/PH740425 Bibcode: 1974AuJPh..27..425F