Improved information on electron screening in using the Trojan-horse method M. Aliotta, C. Spitaleri, M. Lattuada, A. Musumarra, R.G. Pizzone, A. Tumino, C. Rolfs and F. Strieder Eur. Phys. J. A, 9 4 (2000) 435-437 Published online: 15 December 2000 DOI: 10.1007/s100500070001