1. History of Electron Tubes
by Okamura; S. 
Price: USD 66.76
Dealer: Alibris, ThriftBooks-Baltimore via Alibris
Description: IOS Press 1994 Hardcover Good Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. 

2. History of Electron Tubes
by Okamura; S. 
Price: USD 70.76
Dealer: Biblio, ThriftBooks
Description: IOS Press, Date: 1994. Hardcover. Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 1994. IOS Press ISBN 9051991452 9789051991451 [US] 

3. History of Electron Tubes
by Okamura; S. 
Price: USD 70.76
Dealer: Abebooks, ThriftBooks-Atlanta
Description: ISBN10: 9051991452, ISBN13: 9789051991451, [publisher: IOS Press] Hardcover Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less 1.01 [AUSTELL, GA, U.S.A.] [Publication Year: 1994]  

4. History of Electron Tubes
by Seizo Okamura 
Price: USD 149.99
Dealer: ZVAB, Ammareal
Description: ISBN10: 9051991452, ISBN13: 9789051991451, [publisher: IOS Press,US] Hardcover Ancien livre de bibliothèque. Edition 1994. Ammareal reverse jusqu'à 15% du prix net de cet article à des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Very good. Former library book. Edition 1994. Ammareal gives back up to 15% of this item's net price to charity organizations. [Morangis, France] [Publication Year: 1994]  

5. History of Electron Tubes
by Seizo Okamura 
Price: USD 165.27
Dealer: AbebooksFR, Ammareal
Description: ISBN10: 9051991452, ISBN13: 9789051991451, [publisher: IOS Press,US] Hardcover Ancien livre de bibliothèque. Edition 1994. Ammareal reverse jusqu'à 15% du prix net de cet article à des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Very good. Former library book. Edition 1994. Ammareal gives back up to 15% of this item's net price to charity organizations. [Morangis, France] [Publication Year: 1994]  

6. History of Electron Tubes
by Seizo Okamura 
Price: USD 165.29
Dealer: Biblio, AMMAREAL
Description: IOS Press,US, Date: 1994. Hardcover. Very Good. Former library book. Edition 1994. Ammareal gives back up to 15% of this item's net price to charity organizations. 1994. IOS Press,US ISBN 9051991452 9789051991451 [FR]