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Organization (as author)
- ProQuest (Firm)34,234
- Geological Survey (U.S.)13,873
- EBSCOhost9,605
- Walter de Gruyter & Co.7,848
- United States5,930
- Organisation for Economic Co-operation and Development5,552
- Institute of Electrical and Electronics Engineers5,143
- UPSO eCollections (University Press Scholarship Online)4,827
- Society of Photo-optical Instrumentation Engineers4,821
- Cambridge University Press4,227
- Rand Corporation4,214
- National Bureau of Economic Research3,788
- World Bank3,608
- Taylor & Francis3,222
- SPIE (Society)2,931
- United States. National Aeronautics and Space Administration2,912
- Automobile Club of Southern California2,648
- Oxford University Press2,518
- H.M. Gousha Company2,370
- International Monetary Fund2,332
