@book{Hecht_2002, address={Boston, Mass}, edition={4th International ed}, title={Optics}, publisher={Addison-Wesley}, author={Hecht, Eugene}, year={2002} }
@book{Wilson_Hawkes_1987, address={New York}, title={Lasers: Principles and Applications}, volume={Prentice Hall International series in optoelectronics}, publisher={Prentice Hall}, author={Wilson, J. and Hawkes, J. F. B.}, year={1987} }