      ***************************************

      Directory Seltzer must be a link to Util/Elemag/Seltzer
      if, Seltzer's cross-section is to be examined.

      ***************************************

make -f  Brems1.mk; Tsai's formula
      cross-section in mb. Ee in GeV
      testBrem.f
      write(*, *) '#  Brems function '
      write(*, *) '# "y" "ds/dx" "xds/dx" "x" "Ee"'

make -f Brems3.mk;   Corrected Messel & CrawForwd 
      cross-section in mb. Ee in GeV
      testBrem.f
      write(*, *) '#  Brems function '
      write(*, *) '# "y" "ds/dx" "xds/dx" "x" "Ee"'

make -f BremComp.mk
      write(*, *) '#   Complete screening Brems cross-section By Tsai'
      write(*, *) '#  "x=Eg/Ee"  "ds/dx(mb)"  "xds/dx(mb)"'
      cross-section in mb

make -f BremH.mk
      testBremH.f
      write(*, *) '#   LPM region Brems cross-section By Migdal'
      write(*, *) '#  "x=Eg/Ee"  "ds/dx(mb)"  "xds/dx(mb)" "Ee(GeV)"'
      cross-section in mb


make -f BremSeltzer.mk

      y = Eg/(Ee-me)
      write(*, *) '#  "Selzter Brems function"'
      write(*, *) '# "y"   "ds/dy(mb)"  "y*ds/dy(mb)" '
      ds/dy in mb

make -f BremSeltzer2.mk    for  molecule /compound
      write(*,*) '#  "Seltzer Brems func for molecule/compound" '
      write(*,*) '# "y" "ds/dy(mb/mole)" "yds/dy(mb/mole)" "Ee"'
      in mb/ (molecule | compound)

make -f BremComposit.mk
     testBremComposit.f
    This is essentiall the same as testBrem.f

make -f Pair[1-3].mk
      To test Pair creation functions from threshold to
      medium energy.

make -f PairH.mk
      To test Pair creation function > 10 TeV region.








