Here is a nice YouTube link http://mexiledphotos.blogspot.com/2009/11/photorem.html
1. The first child page below shows the original creators of this website. The purpose they had behind creating this website, and their overall goal of what they want people to get out of their website. It gives you pictures and a small about the authors under each of their pictures.
2. The second child page shows where they got their information for with all of their citations. It also gives a history about Photorem over all who developed it and why it was developed. Then they go on to explain how Photorem relates to other applications. Then they answer some common questions about Photorem that they answer. Then also how Photorem is used internationally, and finally they give all their references.