Wiki information Tienstra:

Tienstra formula

J.M.Tienstra was a professor of the Delft university of Technology where he taught the use of barycentric coordinates in solving the resection problem. It seems most probable that his name became attached to the procedure for this reason....

Harry Tienstra
Musical Artist, Person, Musician


Facebook pages same name Tienstra:

Bert Tienstra - Entertainer