000 00211 a2200097 4500
001 3891
100 _aValkenbwegh, V
245 _aBasic synchros & servomechanisms
260 _a
_bRider
_c
090 _c3121
_d3121
942 _aNUST-CAE
_cM
_c23570
999 _c238964
_d238964