The old nova DQ Her (1934) - The eclipse of the triple-peaked Hα profile A. Bianchini, E. Mastrantonio, R. Canterna, J. Stute and K. Cantrell A&A, 426 2 (2004) 669-676 Published online: 11 October 2004 DOI: 10.1051/0004-6361:20041383