Техника - молодежи №05 1961
Tekhnika Molodezhi Magazine
Техника - молодежи №03 1994
Наука и жизнь #10 1936
Nauka i Zhizn Magazine
Grantville Gazette - Volume IX
Eric Flint
Grantville Gazette (9)
Tooth And Nail
DiLouie, Craig