MCPHAIL, Clark - MCCARTHY, John - SCHWEINGRUBER, David. The Policing of mass demonstration in contemporary democracies : policing protest in the United States: from the 1960s to the 1990s. San Domenico (FI) : European University Institute, 1997. 45 s. EUI Working paper RSC, No. 97/3. [Copy count : 1, currently available 1, at library only 0]