@Book{jain,
author="Anil K. Jain",
year=1989,
title="Fundamentals of Digital Image Processing",
publisher="Englewood Cliffs NJ: Prentice-Hall"
}

@Article{mccarthy, 
author="John McCarthy",
year= 1960,
title="Recursive functions of Symbolic expressions and their
computation by machine",
journal="Communications of the ACM",
volume=7,
pages="184--195"
}