
\magnification=\magstep1

$$
\epsilon \quad = \quad K Z^2 n_e n_i T^{-{1/2}} e^{-h\nu/kT} 
   \thinspace \thinspace \thinspace \thinspace {\rm erg \thinspace \thinspace s^{-1} \thinspace cm^{-3} }
$$


\bye
