publisher: McGraw-Hill/TAB Electronics publish date: September 1st 1975
format: paperback pages: 224
ISBN:
0830648143 (9780830648146)
publisher: Tab Books publish date: May 1st 1976
format: hardcover pages: 253
ISBN:
0830668489 (9780830668489)
format: paperback pages: 238
ISBN:
0830648186 (9780830648184)