| Share
 

Willem De Sitter

De Sitter, Willem: see Sitter, Willem de.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on De Sitter Willem from Infoplease:

See more Encyclopedia articles on: Astronomy: Biographies

24 X 7

Private Tutor

Click Here for Details
24 x 7 Tutor Availability
Unlimited Online Tutoring
1-on-1 Tutoring