The following illustrations may be used for non-commercial research and educational purposes, but must you must acknowledge me (Tanya L. Rogers). Please contact me if you have any questions, or would like to request other images. If you plan to use them in a publication, please let me know.
Illustrations are png files, and should have transparent backgrounds. Vector-based or higher resolution versions are available upon request.
Illustrations are png files, and should have transparent backgrounds. Vector-based or higher resolution versions are available upon request.