TY  - BOOK
TI  - Law Enforcement Guidelines for First Amendment-Protected Events
PY  - 2011///
PB  - U.S. Department of Justice’s Global Justice Information Sharing Initiative
KW  - Seguridad pública
UR  - https://www.google.es/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&sqi=2&ved=0CDQQFjAA&url=http%3A%2F%2Fwww.hsdl.org%2F%3Fview%26did%3D692166&ei=pzNtUbL-KcGrhQeIk4HYBw&usg=AFQjCNH9TSbNoKVw-eFtNqwd86ZPMiBg_Q&sig2=oRElvuVbnHRtMn3JXTIdGg&bvm=bv.45175338,d.ZGU&cad=rja
ER  -