00270nam a2200109Ia 4500008004100000082001800041100002200059245002300081250000900104260003900113300000800152240913s9999||||xx |||||||||||||| ||und||  a793.73  KOR/T  aBoris A Kordemsky 4aThe Moscow Puzzles  aNULL  bDover PublicationsaNew Yorkc2012  a309