00355nam a2200121Ia 450000500170000000800410001702000180005808200160007610000170009224500820010926000320019130000100022320260205105228.0260111s9999||||xx |||||||||||||| ||und||  a9780553804980  a146.4  Ur9P  aUry, William 4aThe power of a positive no: how to say no and still get to yes/by William Ury  aNew YorkbBantam Dellc2007  a257p.