TY JOUR TI ACCESS CONTROL MODEL OF THE TYPICAL LIBRARY INFORMATION SYSTEM KW information security KW access control KW data protection KW access control model KW library information systems JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Dobrynin, A.. AU Koynov, A.. PY 2016 IS 2016 PB Astrakhan State Technical University