Content Provider
Defense Technical Information Center: DTIC Technical Reports database
7
Ohio State University (OSU): Knowledge Bank
4
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Lund University Publications (LUP)
1
NASA Technical Reports Server (NTRS)
1
Oxford University Press (via Crossref)
1
The Repository of the University of Silesia (RE-BUŚ)
1
University of Alaska: ScholarWorks@UA
1
University of California: eScholarship
1
University of Lincoln: Lincoln Repository
1
Unknown
1
Vrije Universiteit Amsterdam (VU): Research Portal
1