000 00298nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a629.83 W5384
100 _aWEST WATER,F.L
245 0 _aINTRODUCTION TO SERVOMECHANISMS
260 _aLONDON
_bE.U.P
_c1961
300 _a22X14
942 _cBK
_2DDC
999 _c11168
_d11168