Study of the semileptonic decays B→π, D→π and D→K C. Albertus, J. M. Flynn, E. Hernández, J. Nieves and J. M. Verde-Velasco Eur. Phys. J. A, 31 4 (2007) 725-727 Published online: 12 March 2007 DOI: 10.1140/epja/i2006-10247-9