X-type interactions of the loops in the flare of 25 September 1997 -Part II P. Rudawy, R. Falewicz, C. H. Mandrini and M. Siarkowski A&A, 372 3 (2001) 1030-1037 Published online: 15 June 2001 DOI: 10.1051/0004-6361:20010488