publisher: Watson Publishing International publish date: May 28th 1975
format: paperback pages: 363
language: English
ISBN:
0882020226 (9780882020228)
publisher: Science History Publications publish date: January 28th 1972
format: hardcover pages: 351
language: English
ISBN:
0882020072 (9780882020075)
language: English
ISBN:
0715360493 (9780715360491)