This will take you to the third group of ten. Click on . We are now back at the beginning of the list of articles. To the left of each article are a number, small box and a symbol that looks like half sheet of paper . The articles also have a symbol that looks like a full sheet of paper .
Some articles have a symbol that looks like a camera .
Many articles have a sheet of paper with a camera on it . Each of these is explained at the bottom of the page, in the legend. Note that the information about the article is listed. Some citations include an abstact, a brief summary of the article. The first of these will take you to the next article on the list if you click the right arrow and to the previous article in the list if you click the left arrow.