Why spectra from the same sample look different on two different machines.
by Wang, Veltkamp, and Kowalski (1991). Journal: Analytical Chemistry 16as.rar
The most significant paper associated with this specific dataset naming convention is: Why spectra from the same sample look different
How to mathmetically adjust the "16as" data to match a master instrument. 16as.rar
In this context, the file typically contains the of NIR spectra (often wheat or corn samples) used to test calibration models and multivariate analysis techniques. Key Reference Paper