Skip to main content Skip to search Skip to search

Open main menu Open profile menu

Welcome to 49th Shelf

Create lists · Enter giveaways · Write reviews · More!

New user? Create an account:

First name* Last name* Username* Password* Confirm Password* Email* Subscribe to The 49th Shelf newsletter Subscribe to the Read Canadian email alerts for weekly new release selections

Shengzhao Long

Books by Shengzhao Long

Books by Shengzhao Long

Man-Machine-Environment System Engineering