The phrase "are provided by reference" is correct and usable in written English.
It can be used in contexts where information or details are being referred to from another source or document.
Example: "The specifications for the project are provided by reference in the attached document."
Alternatives: "are cited from" or "are referenced from".
Multipath is today still one of the most critical problems in GNSS, as the error occurs as a result of the local environment and can not be corrected through the use of correction data, which is provided by reference receiver stations or networks.
To prevent misreporting, an attempt at validation of production is provided by reference to the tax offices.
In addition, the connection patterns in continuous attractor networks require precise calibration, which may be provided by reference to environmental inputs [75,77] or by angular velocity inputs [82].
HGRs are provided by WHO reference laboratories to the vaccine manufacturing industry which use them to prepare seed virus for vaccine production.
In this figure, the active and reactive power references are provided by power management strategies.
Test products are usually manufactured by a sponsor and reference products are provided by the government laboratories of the respective countries.
Wild boar reference values are provided by mean ranges from [ 33, 42- 44].
Medical services are provided by levels of care and a reference system.
Reference values are provided by a healthy community sample of 24013 Chinese children and adolescents between the age of 4 and 16 years.
Using the terminology of the International Classification of Function (ICF) as our frame of reference, PCS are provided by home care personnel to help individuals whose health conditions or impairments create activity limitations [ 6- 9].
Reference splice junctions were provided by a reference transcriptome (Ensembl build 73).
