Vrijhk Photometry of PKS 0537-441 and PKS 2155-304 in 2006-2008
  We report the 2006-2008 light curves obtained with the REM telescope in VRIJHK bands for the two BL Lac objects PKS 0537-441 and PKS 2155-304 
Domenico Impiombato, Gino Tosti, Aldo Treves, Stefano Covino, Elena   Pian, Stefano Ciprini