Published in Contributions in Science, in 1989, in volume 402, pages 1-43
Published in Contributions in Science, in 1989, in volume 403, pages 1-26
Published in Contributions in Science (Los Angeles), in 1989, in volume 404, pages 1-19
Published in Contributions in Science (Los Angeles), in 1989, in volume 405, pages 1-64
Published in Contributions in Science (Los Angeles), in 1989, in volume 406, pages 1-21
Published in Contributions In Science (Los Angeles), in 1989, in volume 407, pages 1-29
Published in Contributions in Science (Los Angeles), in 1989, in volume 408, pages 1-17
Published in Contributions in Science (Los Angeles), in 1989, in volume 409, pages 1-75
Published in Contributions in Science (Los Angeles), in 1989, in volume 410, pages 1-9
Published in Contributions In Science (Los Angeles), in 1989, in volume 411, pages 1-10
Published in Contributions In Science (Los Angeles), in 1989, in volume 411, pages 11-22
Published in Contributions in Science (Los Angeles), in 1989, in volume 412, pages 1-16
Published in Contributions In Science (Los Angeles), in 1989, in volume 413, pages 1-57
Published in Contributions In Science (Los Angeles), in 1989, in volume 414, pages 1-31
Published in Contributions in Science (Los Angeles), in 1989, in volume 415, pages 1-23