SVERIGES SPELEOLOG-FORBUND Sweden Publications No.1-6, 8-14 Journal GROTTAN Vol. 29 No.1-4 1994 Vol. 30 No.1-4 1995 Vol. 31 No.1-4 1996 Vol. 32 No.1-4 1997 Vol. 33 No.1-4 1998 Vol. 34 No.1-4 1999 Vol. 35 No.1-4 2000 Vol. 36 No.1-4 2001 Vol. 37 No.1-4 2002 Vol. 38 No.1-4 2003 Vol. 39 No.1-4 2004 Vol. 40 No.1-4 2005 Vol. 41 No.1-4 2006 Vol. 42 No.1-4 2007 Vol.43 No.1-3 2008 Vol.44 No.1-4 2009 Vol.45 No.1-4 2010 Vol.46 No.1-4 2011 Vol.47 No.1-4 2012 Vol.48 No.1-4 2013 Vol.49 No.1-4 2014 Vol.50 No.1-4 2015 Vol.51 No.1-4 2016 Vol.52 No.1-4 2017 Vol.53 No.1/2,3/4 2018 Vol.54 N0.1/2,3 2019