Olcese J (ed.): Melatonin after Four Decades. Advances in Experimental Medicine and Biology, volume 460; Springer, New York; 459-462; ISBN 978-0-306-46134-7
2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Istanbul, Turkey. volume 4; IEEE: 3913-3916; ISBN 978-0-7803-7211-5