Merkle, D. Hydraulics : basic level / D. Merkle, B. Schrader, M. Thomes - Denkendorf : Festo Didactic GmbH, 1998 - 284 p. : ill. ; 30 cm. - Learning system for automation . - Learning system for automation . Basic level TP 501 : textbook ISBN: OPE0000421(Local) Subjects--Topical Terms: HydraulicsHydraulic engineering