See Oberg's Uncovering Soviet Disasters (1988) ISBN 0-394-56095-7, 156–76 The first Soviet cosmonaut team: their lives, legacy, and historical impact, pp. 226.
서방의 우주비행사는 Astronaut 오버그의 저서인 Uncovering Soviet Disasters (1988) ISBN 0-394-56095-7, 156–76 참고 The first Soviet cosmonaut team: their lives, legacy, and historical impact, pp. 226.