Submilliarcsecond-resolution mapping of the 43 GHz SiO maser emission in the bipolar post-AGB nebula OH231.8+4.2C. Sánchez Contreras, J. F. Desmurs, V. Bujarrabal, J. Alcolea and F. ColomerA&A, 385 1 (2002) L1-L4DOI: https://doi.org/10.1051/0004-6361:20020233
