000 00339pam a2200133a 44500
082 _aBTS
_bMONO 1840
100 _aMckay,K G
245 1 _aENERGY DISTRIBUTION OF SECONDARY ELECTRONS
260 _a
_b
_c1951
300 _a6
500 _aBound With Bts Mono 1831-1839,1841-1858lack No-1950,1956
964 _gCIRC
997 _aTR19638 C
999 _c402161
_d402161