The phrase "background sources" is correct and usable in written English.
It can be used when referring to materials or references that provide context or support for a particular topic or argument.
Example: "In my research paper, I will include various background sources to provide a comprehensive understanding of the subject."
Alternatives: "reference materials" or "contextual sources."
Instead of measuring results on the ground, the programme calculated the supposed impacts of its work based on background sources, said the watchdog.
When it comes to background sources, I encourage my students to find books or articles that help them understand vital aspects of their topic.
Through careful calibration and diligent work, the researchers running it were able to eliminate most of the residual background sources of radiation that could mimic dark matter.
In the report, published Thursday, experts on a United Nations committee say that people living around the plant received a radiation dose from the accident lower than what they get from natural background sources.
According to a blog published by the Transportation Security Administration, the radiation dose from the scanner is about the same amount as an average American receives from natural background sources in four minutes on the ground.
By comparison, the dose from natural background sources is 2.5 millisieverts a year, he says.
The method shows promising potentialities over current techniques when the target is unresolved from the background reference sources.
Mr. Hohlt is also a well-known background source for Washington journalists.
The light in the depicted scene changes; sometimes seeming to come from above, sometimes from a mysterious background source.
At that point, the newspaper decided to proceed with a profile of Mr. Zeltser that drew on some of his remarks as a background source.
This small and delightful book is invaluable not only for visits to restaurants and markets but as a superior background source on many ingredients that make regular appearances in Asian, Latin American and even European cuisines.
