Andrew Black, writing for the the Jamestown Foundation's Terrorism Monitor, 21 Sep:

Al-Suri's Adaptation of Fourth Generation Warfare Doctrine
In a highly influential and sizeable treatise posted in January 2005 and titled "The Global Islamic Resistance Call," jihadi ideologue Abu Musab al-Suri (aka Mustafa Setmariam Nasar) culminated a life of activity by providing his strategic template for the Global Salafi-Jihad. This work, rare for its self-examining and almost scientific approach, provides details for how the jihad should pursue its campaign henceforth. While not outwardly acknowledging it, al-Suri's strategic manifesto carries many of the same tenets of fourth generation warfare (4GW) as outlined by military analyst William Lind. Perhaps the reason he did not cite Lind's writings as motivation is that al-Suri's work demonstrates a significant step in the development of the 4GW doctrine...