Sitting, people do already for a long time. Therefore chairs have been manufactured ever since. In Hong Kong many of them end up on the street. Plastic chairs,

This is a strange book about design and lifestyle. In China, chairs are as varied as the occasions for sitting. They are not elegant, and not always comfortable

Introductory, Combinatorics, Third Edition is designed for introductory courses in combinatorics, or more generally, discrete mathematics. The author, Kenneth B