Anonymous ID: 335d45 May 13, 2018, 12:21 a.m. No.1394418   🗄️.is đź”—kun   >>4529 >>4638

>>1394361

Interesting search on SIGLE:

 

https://en.wikipedia.org/wiki/System_for_Information_on_Grey_Literature_in_Europe

 

Grey literature (or gray literature) are materials and research produced by organizations outside of the traditional commercial or academic publishing and distribution channels. Common grey literature publication types include reports (annual, research, technical, project, etc.), working papers, government documents, white papers and evaluations. Organizations that produce grey literature include government departments and agencies, civil society or non-governmental organisations, academic centres and departments, and private companies and consultants.