00509nam a2200157Ia 450000100060000000800410000602000050004704000130005208200210006510000190008624501690010526000440027430000110031854600070032965000150033632903140417s9999    xx            000 0 und d  a  cPK-LaUMT  aPFL 158.1bENN-B  aEnnever, W. J.  aBrain-building for successbhow to develop the worderful powers of mind and memory for business, professional social life. A self-instruction coursecEnnever, W. J.  aLondon,UK:bThe Ennever Foundation,cNA  a367 p.  aEN  aPsychology