International cooperation of geographers : experience of joint development of major geographical problems : for the 24th international geographical congress (Tokyo, september 1980) : [зборнік артыкулаў / editorial council: Fedoseyev P. N. (chairman) і інш.]. — Moscow : Social Sciences Today, 1980. — 221 с. — (Problems of the contemporary world ; № 89) - International geographical congress (24; 1980; Tokyo) (Problems of the contemporary world, 1980)