000 00346pam a2200133a 44500
082 _aBTS
_bMONO 2870
100 _aBuehler,E
245 1 _aCONTRIBUTION TO THE FLOATING ZONE REFINING OF SILICON
260 _a
_b
_c1957
300 _a8
500 _aBound With Bts Mono 2849-2869,2871-2875 Lack No.2854
964 _gCIRC
997 _aTR19723 C
999 _c402646
_d402646