000 00227 a2200097 4500
001 34390
100 _aFarnell electro
245 _aCMDS Logic Data book
260 _aUSA
_bNational Semiconductor
_c1988
090 _c22694
_d22694
942 _aNUST-CAE
_cM
_c14107
999 _c269463
_d269463