Great soviet encyclopedia; v.13
Collier macmillian publishers
Great soviet encyclopedia; v.13 - London CMP 1976 - xxii, 618p.
73-10680
037.1 / N73.13 "R"
Great soviet encyclopedia; v.13 - London CMP 1976 - xxii, 618p.
73-10680
037.1 / N73.13 "R"