London: Routledge and Kegan Paul, 1982 (1974). Second ed ; Enlarged ed. vii, 139 pages: illustrations; 23 cm; bibliographical references (pages 135-136) and index. Minor sparse soiling to wraps; else tight, clean and overall very good( to very good(+) thus. Paperback. ISBN: 0710079052; 9780710079053
