000 00409nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aLEWIS(W B)
245 _aElectrical counting. With special reference to counting alpha and beta particles
260 _aCambridge
260 _bUniversity Press
260 _c1942
300 _avii p. + 144
942 _cBooks
999 _c4065
_d4065