Tubingen: J C B Mohr, 1969. 3rd Edition 1st Printing. Soft cover. Near Fine. Xxvi, 441 Pp. 9 1/4" X 6 1/8". Yellow Cloth Over Flexible Card. Third, Corrected Edition. Just A Hint Of Wear, Covers With A Little Fading And Foxing But All Lettering Very Strong, Contents Immaculate And Square, Near Fine. Inscribed "Fur Alfred Lande Von Karl Popper" At Top Of Title Page. Lande (1888-1976) Was An Important German Physicist, Best Known For His Contributions To Quantum Theory, Obtained His Doctorate Under Sommerfeld, Later Special Assistant To David Hilbert, And Worked With Max Born. Lande Greatly Influenced Popper's Own Views Of Quantum Theory Etc.