(DOC) covers.pdf
 (DOC) math42-0.pdf
 (DOC) math42-1.pdf
 (DOC) math42-2.pdf
 (DOC) math42-3.pdf
 (DOC) math42-4.pdf
 (DOC) math42-5.pdf
 (DOC) math42-6.pdf
 (DOC) math42-7.pdf
 (DOC) math42-8.pdf