RAZD:
Science 22 June 2001: Vol. 292. no. 5525, pp. 2227 - 2229 is online and free.
Q. R. Ahmad et al., "Measurement of the Rate of e + d p + p + e- Interactions Produced by 8B Solar Neutrinos at the Sudbury Neutrino Observatory," Phys. Rev. Lett. 87, 071301 (2001) is the discovery paper and is probably unintelligible to non-particle-physicists.
Oh: terrible web design but good summary -
http://www.sno.phy.queensu.ca/sno/neutrino.html
Edited by Coragyps, : add link