The phrase "attributed solely to the" is correct and usable in written English.
It can be used when specifying that something is exclusively assigned or credited to a particular source or cause.
Example: "The success of the project can be attributed solely to the team's hard work and dedication."
Alternatives: "exclusively credited to" or "entirely ascribed to".
But Disney's problems cannot be attributed solely to the recession or consumers' fears of terrorism.
Over 80 percent go on to four-year colleges, although that cannot be attributed solely to the program.
Some analysts, however, said they doubted that the charge could be attributed solely to the rule changes.
No one can say for sure if the increase can be attributed solely to the Sept. 11 attacks, but many law enforcement officials and gun industry insiders agree it is a primary reason.
It would be wrong to suggest that this can be attributed solely to the actions of the present government, but Labour's record on tax has done nothing to encourage people to take politicians' promises on trust.
Judge Drager wrote that the psychologists' reports, "in purporting to prove that the success of the business could be attributed solely to the husband's innate genius," would not assist her in distributing the couple's assets.
I do not think that a student's failure of the CUNY entrance writing exam should be attributed solely to the high school or the teachers, and I question the advisability of including it in a school's report-card grade.
Olesky disputes that drug-stock buying is attributed solely to the possibility of a Bush win.
It can be attributed solely to the effect of a single load.
Such effects could not be attributed solely to the nutritional or physical properties of the pig manure vermicompost.
Diopside dissolution rates continuously decreased with increasing ΔGr and cannot be attributed solely to the degree of undersaturation (equation 5).
