Preface: Cumulative Index

The Abstracts section lists papers chronologically by volume, issue, and year, in the order in which they appear in the table of contents of each issue. Individual entries show the title (boldface), authors, and beginning page number of each paper, followed by the abstract. For completeness, material which does not contain an abstract, such as a preface or a short communication, is noted by an entry which contains the title, author, and beginning page number.