Published in Contributions In Science (Los Angeles), in 1996, in volume 460, pages 1-9
Published in Contributions In Science (Los Angeles), in 1996, in volume 461, pages 1-10
Published in Contributions In Science (Los Angeles), in 1996, in volume 462, pages 1-36
Published in Contributions In Science (Los Angeles), in 1996, in volume 463, pages 1-12
Published in Contributions in Science (Los Angeles), in 1996, in volume 464, pages 1-12