Berlin, Akademie der Wissenschaften, 1930. 4to. Orig. printed green wrapper. No VI, 1930 of Sitzungsberichte der Preussische Akademie der Wissenschaften. Wrappers with very small nicks atspine. Small part of one corner gone. pp. 110-120. A small stamp at foot of frontwrapper.
First edition in the periodical form. - Weil No. 170
Order-nr.: 38646