Block 10 (Block Contains 2 Characters)

From Author Wars - https://authorwars.com/books/block-10-block-contains-2-characters-2929213.html

Overview:

Title: Block 10 (Block Contains 2 Characters)
Author: Richard Forsyth
Year: 1978
Type: Serials

Editions/Publications:

1978 . Computer Weekly, August 3, 1978 (1978, Richard Forsyth, Reed Business Information, unknown, MAGAZINE)