Zhen

Performance Modeling and Engineering

By Liu, Zhen, Xia, Cathy H.

Theory of Parallel Mechanisms: 6 (Mechanisms and Machine Science, 6)

By Huang, Zhen, Li, Qinchuan, Ding, Huafeng

Pretreatment Techniques for Biofuels and Biorefineries (Green Energy and Technology)

By Fang, Zhen

Space Activity Book for Kids Ages 4-8: Outer Space Coloring with Planets, Dot to Dot, Mazes, Word Search and More Puzzle Games for Boys & Girls (60 Activity Pages)

By Coloring, Zhen