1987, т. 16, № 1-6 1988, т. 17, № 1-6 1989, т. 18, № 1-6 1990, т. 19, № 1-6 1991, т. 20, № 1-6 1992, т. 21, № 1-6 1993, т. 22, № 1-6 1994, т. 23, № 1-6 1995, т. 24, № 1-6 1996, т. 25, № 1-6 1997, т. 26, № 1-6 1998, т. 27, № 1-6 1999, т. 28, № 1-6 2000, т. 29, № 1-6 2001, т. 30, № 1-6 2002, т. 31, № 1-6 2003, т. 32, № 1-6 2004, т. 33, № 1-6 2005, т. 34, № 1-6 2006, т. 35, № 1-6 2007, т. 36, № 1-6 2008, т. 37, № 1-6 2009, т. 38, № 1-6 2010, т. 39, № 1-6 2011, т. 40, № 1-6 2012. т. 41, № 1-6 2013, т. 42, № 1-6 2014, т. 43, № 1-6 2015, т. 44, № 1-6 2016, т. 45, № 1-6 2017, т. 46, № 1-6 2018, т. 47, № 1-2, 3, 4, 5, 6