SF Magazines: 1972 Statistical Survey

From Author Wars - https://authorwars.com/books/sf-magazines-1972-statistical-survey-892762.html

Overview:

Title: SF Magazines: 1972 Statistical Survey
Author: Tony Lewis
Year: 1973
Type: Essays

Editions/Publications:

1973 . Locus, #133 February 9, 1973 (1973, Tony Lewis, Dena and Charlie Brown, 8 pages, quarto, FANZINE)