Sell, buy or rent Geert Hellings textbooks

The Cube: The Ultimate Guide to the World's Bestselling Puzzle - Secrets, Stories, Solutions

by Jerry Slocum, David Singmaster, Wei-Hwa Huang, Dieter Gebhardt, Geert Hellings
ISBN-13: 9781579128050
ISBN-10: 157912805X
Edition: Illustrated
Publication date: 2009
Publisher: Black Dog & Leventhal
Format: Paperback 142 pages

High Mobility and Quantum Well Transistors: Design and TCAD Simulation (Springer Series in Advanced Microelectronics, 42)

by Geert Hellings, Kristin De Meyer
ISBN-13: 9789400763395
ISBN-10: 9400763395
Edition: 2013
Publisher: Springer
Format: Hardcover 158 pages