00255nam a2200097 a 450000500170000008200190001710000210003624500570005726000280011430000150014220251203091019.0  a951.7,bD, hei  aHeissig, Walther  aLes Mongols Un Peuple a la recherche de Son Histoire  aParisbJ.C Lattesc1979  a296p, 22cm