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| ==External links== | | ==External links== |
| {{search}} | | {{search}} |
− | * [http://http://archives.datapages.com/data/alt-browse/aapg-special-volumes/sg54.htm Original content in Datapages] | + | * [http://archives.datapages.com/data/specpubs/study54/CHAPTER04/IMAGES/CHAPTER04.PDF Original content in Datapages] |
| + | * [http://archives.datapages.com/data/specpubs/study54/CHAPTER04/IMAGES/CHAPTER04.PDF PDF file in Datapages] |