Symposium on unidentified flying objects: hearings before the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, second session, July 29, 1968.

234
ACKNOWLEDGMENTS
The
development
of
some
of the
techniques
described
here
and
the
preliminary
experimental
tests
of
these
techniques
on
UFO
materials
were
carried
out
as
one
part
of
a
more
general
project
on
psychological
scaling
and
data
analysis
sup-
ported
by
Grant
No.
GS
-1302
from
the
National
Science
Foundation
to
Harvard
University.
The
author
is
indebted
to
the
Foundation
for
its
support
and,
also,
to
Miss
Shelley
Meltzer
for
her
extensive
assistance in
the
project.
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