They are not on Anna’s Archive or on MaM. They are available for digital purchase from SpringerPub or Amazon.
Is there a different tracker for textbooks and reference materials?
How likely is it that a request will be fulfilled. Would someone need to buy the book themself and upload it?
Are you sure?
I do not see any results under ‘Torrent Search Results’.
I see three links under ‘Fast Search Results’, but they are ads and uBlock Origin blocked them.
https://www.torrentdownloads.pro/search/?search=clinical+radiation
The first ‘Torrent Search Result’ is always an auto-generated lie, don’t click.