00492nam a2200157Ia 450000100060000000800410000602000140004704000130006108200180007410000230009224500930011526000670020830000110027550000410028654600070032734707140418s9999    xx            000 0 und d  a857032527  cPK-LaUMT  a 158.1bMAR-U  amarshall, Dr Peter  aUnlocKing your potentialbhow to master your mind, liffe and destinycmarshall, Dr Peter  aLondon,UK:bOxfam/Intermediate Technologiy Publications,c1998  a108 p.  ahow to books self-development series  aEN