000 00323nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aWilson, J. Gt. ed.
245 0 _aProgress in cosmic ray physics.vol.1
260 _bNorth-Holland Publication
_aAmsterdam
_c1952
942 _c1
999 _c29957
_d29957