00585nam a2200193Ia 4500 CTU_58075 210402s9999 xx 000 0 und d 004.62 P235 John Park Practical data communications for instrumentation and control John Park, Steve Mackay and Edwin Wright Amsterdam, The Netherlands Newnes 2003 computer networks,computer network protocols management Minh Trung tâm Học liệu Trường Đại học Cần Thơ