link de yamas

http://books.google.com.pr/books?id=JlaPm8l_J_UC&pg=PA153&lpg=PA153&dq=satya+yama&source=bl&ots=9c5kKSBqV9&sig=3HExTJCzUWCKiANpnVgiHRF8oRc&hl=en&ei=HbVgSt22Bp6BtwfSs9DrDA&sa=X&oi=book_result&ct=result&resnum=10