`   Thanks, I just checked and noticed that the second sentence in that paper's abstract reads. ``The brightness observations obtained during the international observing campaign of 1956 have been subjected to a numerical analysis of the Fourier type, which is described in detail in this paper.`` You seem to have read the paper but forgot to read the abstract, meaning you did not understand the paper. Your misinterpretation of the Barning paper is out.   `