Lepton and Baryon number violation in particle physics, astrophysics and cosmology  proceedings of the first international symposium on Lepton and Baryon number violation in particle physics, astrophysics and cosmology, held in Trento, Italy, 20-25 Apr 1998 
edited by H. V. Klapdor-Kleingrothaus and Krivosheina, I. V.,                                 
 - Bristol  IOP Publishing  1999 
 - vii, 760p. 
<br/><br/><label>ISBN: </label>0-7503-0616-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>B and L violation<br/>Cosmology<br/>Grand unified theories<br/>Neutrino mass
<br/><br/><label>Universal Decimal Class. No.: </label>539.12  / LEP