Yearbook of science and the future, 1997 / editor David Calhoun; by Encyclopaedia Britannica, inc. - Chicago : Encyclopędia Britannica, Inc, 1996. - 448 p. : ill. (some col.) ; 29 cm. Index: pp. 425-448 ISBN: 0-85229-630-4 Subjects--Topical Terms: Science--Yearbooks