B/C 59 ja erityisesti B/C 63 luokan väestönsuojan käyttöohjeet. Instruktionshäfte för finländska skyddsrum av typ B/C59 & B/C63.
Operating and service manual for Finnish civil defense or fallout shelters type m/1963 (some info also pertain to shelters of type m/1959).
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