Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
629.83 J66 63023
Johnson E R Servomechanisms Englewood Cliffs Prentice-Hall 1963 xiv,336p. * Closed-loop control systems Servomechanisms