000 00493nam a2200181 a 4500
003 AR-LpUBP
005 20240702192920.0
007 ta
008 091125s1958 xxua g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
100 1 _aSchure, Alexander
_914351
245 1 0 _aVacuum tube characteristics
260 _aNew York :
_bJohn Rider,
_c1958.
300 _av, 89 p. :
_bil. ;
_c18 cm.
490 0 _aElectronic technology series ;
_v166-22
942 _cBK
999 _c564361
_d564361
988 _c76
_dMaría Victoria Somoza
_a76
_bMaría Victoria Somoza