000 00288nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a629.83 W518
100 _aWEST,J.C
245 0 _aTEXT BOOK OF SERVOMECHANISMS
260 _aLONDON
_bE.U.P
_c1957
300 _a23X14
942 _cBK
_2DDC
999 _c11302
_d11302