Home › Authors › Lois Weyer 👤 Lois Weyer 2 books Books by Lois Weyer Practical Guide and Spectral A Practical Guide and Spectral Atlas for Interpretive near-Infrared Spectroscopy 2012 Practical Guide and Spectral A Practical Guide and Spectral Atlas for Interpretive near-Infrared Spectroscopy, Second Edition 2012