Archive Reference: N-504332.
Contributors: Yanev, Georgi; Zahariev, Dimko; Kitanov, Iliya; Qui; Oliver, Haim; Krustev, Georghi; Mincheva, Milohrana; Nguen Lyo; Nguen Tan; Benun, Shimon.
Reproduction of: Bulgaria; North Vietnam, 1960.
Description based on online resource (viewed on 17 October, 2017).