Quarterly Bulletin 

 - [S.l.]   : De Nederlansche Bank 
 - Trimestral 
 - 1989 (mar(4), jun(1), sep(2), dic(3)); 1990 (mar, dic); 1991 (mar, jun, sep, dic); 1992 (mar, jun, sep, dic); 1993 (mar, jun, sep, dic); 1994 (mar, jun, sep, dic); 1995 (mar, jun, sep, dic); 1996 (sep, dic); 1997 (jun, dic); 1998 (jun, sep)