1. T. Bressani et al.:Nuovo Cimento A,104, 1413 (1991).
2. T. Bressani et al.: inThe science of cold fusion, inProceedings of the II Annual Conference on Cold Fusion, Como, 29 June–4 July 1991, edited byT. Bressani, E. Del Giudice andG. Preparata:Conf. Proc. SIF, Vol.33 (Editrice Compositori, Bologna, 1991) quoted in the following asComo ′91, p. 105.
3. M. Agnello et al.: inComo ′91, p. 249.
4. G. C. Bonazzola et al.: inUnderstanding Cold Fusion Phenomena, Conf. Proc. SIF, Vol.24 (Editrice Compositori, Bologna, 1989), p. 313.
5. G. C. Bonazzola et al.:Nucl. Instrum. Methods A,299, 25 (1990).