Description
Item Description: | "May 1989, Volume 79, Number 402 (second of 4 numbers)." |
Physical Description: | 1 online resource (113 pages) : illustrations |
Bibliography: | Includes bibliographical references. |
ISBN: | 9781470408220 1470408228 |
ISSN: | 0065-9266 ; 0065-9266 |
Language: | English. |