By Universidade Federal de Santa Maria. Centro de Ciências Naturais e Exatas.
, Título BPH: Ci. & Nat. Existencias: 1979 v.1; 1980 v. 2; 1981 v.3; 1982 v.4; 1983 v.5; 1984 v. 6; 1985 v. 7; 1986 v. 8; 1987 v. 9; 1988 v. 10; 1989 v. 11; 1990 v. 12; 1991 v. 13; 1992 v. 14; 1993 v. 15; 1994 v. 16; 1995 v. 17; 1997 v. 18, 19; 1998 v. 20; 1999 v. 21; 2000 v. 22 + 2 v. especiales; 2001 v. 23; 2002 v. 24; 2003 v. 25; 2004 v. 26, no. 1,2; 2005 v. 27, no. 1,2; 2006 v. 28, no. 1-2; 2007 v.29 no. 1-2; 2008 v.30 no.1-2; 2009 v.31 no.2; 2010 v. 32 no. 1-2; 2011 v. 33 no.1-2; 2012 v. 34 no. 1- 22 x 16 cm.

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