Mega almanacco n. 4 by Bob Bartholomew, Bruno Sarda, Charlie Martin, David Gerstein, Edele Kenner, George Beal, Harry Harrison, Jack Sutter, Janet Gilbert, Jim Kenner, Joel Katz, Michael T. Gilbert, Neville Jason, Paul Halas, Per Hedman, Stefan Printz-Påhlson, Tom Anderson, Unn Printz-Påhlson
