00331nam 2232300 450000100060000000300230000600500090002900800410003808200080007910000220008726000340010930000240014324500320016732300StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a530 aV. S. Wolkenstein bMoscow: Mir Publishers c1975 a349p: Appendix ; 20 aProblems In General Physics