880.    FARKAS, A., AND FARKAS, L.  Ortho-, Para- and Heavy Hydrogen.  MacMillan Co., New York, 1935, 215 pp.

      In certain cases a relationship is known to exist between magnetic properties and catalytic activity.  For example, the conversion of o- and p-hydrogen is catalyzed by paramagnetic ions, the rate of conversion increasing with increasing magnetic moment of the ions.  The so-called magnetocatalytic effect is based on similar phenomena.

      FARKAS, L.  See abs. 880.