00377nam a2200097Ia 450000500170000000800410001702000180005810000190007624501520009526000320024720251014172620.0251014s9999    xx            000 0 und d  a97818447681960 aAndrew Popovic00aTai Chi: ancient physical systems for creatinf inner harmony and equilibrium a fully illustrated teaching plan, with over 250 step-by-step pictures  bAnness Publishing Ltdc2010