New York: American Institute of Physics, 1964. Wraps. First Edition. ,107-187,  pp. 4to. Gray paper wraps that are quite clean. Ex-library with small black library stamp on front cover and title page, no other markings. Very Good.
A year before Arno Allan Penzias and Robert Woodrow Wilson discovered Cosmic Microwave Background (CMB) radiation, this Soviet team predicted its existence and that it could be measured.