Research index·Journal articlePhysicsScience News·23 Jan 1999DOI10.2307/4011087Journal articlePhysicsScience News · 23 Jan 1999DOI10.2307/4011087ReadRead at the publisherSaveCiteAdd to literature reviewThe full text is at the publisherOpen it at the publisher to read it.DiscussionAdd to the discussionTopicsCitationPhysicsLibrary scienceInformation retrievalRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report