GeoRef Search Strategies
Find Peer-Reviewed Literature
- Go to the Advanced Search screen.
- Enter your keywords.
- Beside "Limit to," check the box that says "Peer reviewed."
Find Literature Within a Specified Time Frame
- Go to the Advanced Search screen.
- Enter your keywords.
- Beside "Publication date," click the drop-down menu and select the desired time frame of the literature.

Find Gray Literature
- Go to the Advanced Search Screen.
- Enter your keywords.
- Under "Document type," select the type(s) of document you wish to retrieve. These may include "conference document," "report,"or "thesis or dissertation."

GeoScienceWorld Search Strategies
Find Literature Within a Specified Time Frame
- Go to the Advanced Search screen.
- Enter your keywords.
- Under "Date Range and Publication," enter the specified start and end date.

Find Gray Literature
-
Go to the Advanced Search Screen.
- Enter your keywords.
- Under "GeoRef Document Type," select the type(s) of documents you wish to retrieve. These can include "conference document," "report," or "thesis or dissertation."
