| | National Drug Intelligence Center |
| | 319 Washington Street, 5th Floor, Johnstown, PA 15901-1622 USA |
| http://www.usdoj.gov/ndic/ | | NDIC.Contacts@usdoj.gov |
| drug - środki psychotropowe i zwalczanie narkomanii |
| 2007 | | National Drug Threat Assessment - 2005 | abs | | 226 | | str | 4,4 | mb |
| 2002 | | Oklahoma Drug Threat Assessment | abs | | 38 | | str | 1,1 | mb |
| 2001 | | California Central District Drug Threat Assessment | abs | | 46 | | str | 2,0 | mb |