Radio recombination lines at decametre wavelengths - Prospects for the future W. M. Peters, T. J. W. Lazio, T. E. Clarke, W. C. Erickson and N. E. Kassim A&A, 525 (2011) A128 Published online: 08 December 2010 DOI: 10.1051/0004-6361/201014707