UFO Journal Article (Book Review):

“A New Start on the Whole UFO Problem? –

J. Allen Hynek’s ‘The UFO Experience:
A Scientific Inquiry’ ”

by Joachim P. Kuettner, Chairman, 
AIAA UFO Subcommittee

(Astronautics and Aeronautics, November 1973)

(NICAP.org)

Hynek’s book was published by Henry Regnery Co., Chicago in 1972:

http://www.nicap.org/newstart.htm

(scribd.com image)