While searching for information on packing problems in mathematics I noticed two hits in the list that have identical excerpts. One was in Wikipedia and the other from a book listed on Google. That caught my eye immediately so I checked it out.
The article here:
contains long sections of identical text from the book here:
The book is not listed as a reference and it is not attributed as a source for the text published in Wikipedia. The book is still under copyright.
Perhaps someone would like to lodge an objection?