000			00405pam a2200133a 44500
082			_aBTS _bMONO B-673
100			_aHovgaard,O M
245	1		_aAPPLICATION OF QUARTZ PLATES TO RADIO TRANSMITTERS
260			_a _b _c1931
300			_a16
500			_aBound With Bts Mono B-643-72,674-96 Lack No.648-50,653,657,659,662-65,668,671,675,677-81,683-84,688-92,694-95
964			_gCIRC
997			_aTR17627 C
999			_c399774 _d399774