"On a Method of Statistical Business-Cycle Research. A Comment." Economic Journal. Vol. 50, No. 197 (March, 1940), pp. 154-156.
Online:
JSTOR
"On a Method of Statistical Business-Cycle Research. A Comment." Economic Journal. Vol. 50, No. 197 (March, 1940), pp. 154-156.
Online:
JSTOR