País en progreso restante lubos kohoutek dramático alto Departamento
Lubos Kohoutek - Commemorative Sheet With First Day Cancellation Circa 1967 co-signed by: James A. Van Allen, Clyde William Tombaugh | HistoryForSale Item 217519
Amazon.com: Clyde William Tombaugh - First Day Cover Signed co-signed By: Fred Lawrence Whipple, Lubos Kohoutek : Collectibles & Fine Art
Hamburg-Bergedorf: Als Lubos Kohoutek den Kometen entdeckte - WELT
Lubos Kohoutek - Commemorative Sheet With First Day Cancellation Circa 1967 co-signed by: James A. Van Allen, Clyde William Tombaugh | HistoryForSale Item 217519
Brian Jones on Twitter: "Today is the anniversary of the birth, at Zábřeh on 29 Jan 1935, of the Czech #astronomer Luboš Kohoutek. He is best known for his discovery of Comet