-Existencias: 1981 vol. 1; 1990 vol. 2-5, no. Biotropica Suppl. no. 25-28; 1993 vol. 4, no. 2-4; 1994-1995 vol. 5-6, no. 1-4; 1996 vol. 7, no. 2-4; 1997-1998 vol. 8-9, no. 1-4; 1999 vol. 10, no. 1, 3; 2001-2002 vol. 12-13, no. 1-4