Pesquisas.

no.6-12; no.6; no.8; no.10; no.11; no.12; no.13-18; no.13; no.14; no.15; no.18; no.19-22; no.23-24; no.25-27; no.28-29; no.30-31; no.32-34; no.35-36; no.37-38; no.39-40; no.40; no.41; no.42; no.43; no.44; no.45 (1990); no.46 (1991); no.47 (1992); no.48 (1992); no.49 (1993); no.50 (1994); no.49-51 1993-95; no.51 (1995); no.52 (1996); no.53 (1996); no.54 (1998); no.52-55 1996-99; no.55 (1999); no.56 (2000); no.57 (2001); no.58 (2002); no.59 (2003); no.56-60 2000-04; no.60 (2004); no.61 2004; no.62 2005; no.63 2006; no.64 2007