TY  - ADVS
AU  - Carlson,W.Bernard
ED  - Teaching Company.
TI  - Understanding the inventions that changed the world
T2  - The great courses. History
SN  - 9781598039870
PY  - 2013///]
CY  - Chantilly, Va.
PB  - Teaching Co.
KW  - Inventions
KW  - History
KW  - Civilization
KW  - Science
N1  - In one container; "Course no. 1110."; Contains thirty-six 30 minute lectures; Instructed by W. Bernard Carlson
ER  -