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 #16, December 1980, 7 pages
 #26, October 1981, 7 pages
 #34, June 1982, 10 pages
 #51, November 1983, 4
pages
 #73, September 1985, 4
pages
 #74, October 1985.
 #95, July 1987, 4
pages
 #109, September 1988
 #116 April 1989
 #127, March 1990
 #137, January 1991
 #150, February 1992
 #157 September 1992
 #164, April 1993, 9 pages
 #180, August 1994, 7 pages
 #189, May 1995, (back cover)
 #201, May 1996, 10 pages
 #218, October 1997
 #250, June 2000
 #261, May 2001
 #272, April 2002, 12 pages
 #291, November 2003
 #334, March 2007, 10 pages
 #346, February 2008, 14 pages
 #381, November 2010, 11 pages
 #415, June 2013, 9 pages
 #436, January 2015, 7 pages.
 #447, December 2015, 6 pages
 #491, April 2019,
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