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Several are, some aren't, in my experience.
You'll be better off to read the abstract, and maybe ask around here if anyone has a copy of it they could loan you. Also, check your local library, and check with local universities and see if you could borrow some "reading" material from them. They probably won't let you leave with the copies, but you can at least take notes.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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