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4.3.2.1 Seen shape variables 

      REAL
     .     EIGEN(3,3),          !*sphericity tensor axes (in order of
                                ! the eigen values)
     .     SPH,                 !*Sphericity
     .     APL,                 !*Aplanarity
     .     THRUST(3,3),         !*Thrust-,major- & minor- axes
     .     THR,                 !*Thrust
     .     OBL,                 !*Oblateness
     .     THTHRU,              !*theta of thrust
     .     H10,H20,H30,H40      !*Fox-Wolfram moments
      INTEGER
     .     NJET                 !*# jets

Mikael Berggren 2003-03-27