000 00314pam a2200133a 44500
082 _aBTS
_bMONO 2868
100 _aAshkin,A
245 1 _aELECTRON BEAM ANALYZER
260 _a
_b
_c1957
300 _a6
500 _aBound With Bts Mono 2849-2867,2869-2875 Lack No.2854
964 _gCIRC
997 _aTR19721 C
999 _c402644
_d402644