000 00386cam a22001217a 4500
008 180718b1961 xxu||||| |||| 00| 0 eng d
082 _aT17x73 Sh68
100 _aShiskin, Julius
245 _aSignals of recession and recovery : an experiment with monthly
_cby Julius Shiskin
260 _aNew York
_bNational Bureau of Economic Research
_c1961
300 _axii,191p.
650 _aSignals
999 _c501010
_d501010