000 00312pam a2200133a 44500
082 _aBTS
_bMONO 1963
100 _aSumner,E E
245 1 _aRELAY ARMTURE REBOUND ANALYSIS
260 _a
_b
_c1952
300 _a29
500 _aBound With Bts Mono 1960-1962,1964-1979
964 _gCIRC
997 _aTR19457 C
999 _c403291
_d403291