Books on-line:

             Address:
  
     Maxim Zabzine 
     Department of Physics and Astronomy 
     Uppsala university
     Box 516 
     SE-75120 Uppsala
     Sweden
 
     phone:   +46(0)18 471 3247
     fax:     +46(0)18 471 5999
     e-mail:  maxim.zabzine@fysast.uu.se