Past Issues

BfK No. 20 - May 1983	BfK No. 19 - March 1983	BfK No. 18 - January 1983	BfK No. 17 - November 1982	BfK No. 16 - September 1982
BfK No. 15 - July 1982	BfK No. 14 - May 1982	BfK No. 13 - March 1982	BfK No. 12 - January 1982	BfK No. 11 - November 1981
BfK No. 10 - September 1981	BfK No. 9 - July 1981	BfK No. 8 - May 1981	BfK No. 7 - March 1981	BfK No. 6 - January 1981
BfK No. 5 - November 1980	BfK No. 4 - September 1980	BfK No. 3 - July 1980	BfK No. 2 - May 1980	BfK No. 1 - March 1980