There is an updated 3rd edition of Bicycling Science, published by the MIT Press, a publisher of academic books and journals (which currently employs my dear wife as an assistant editor).
There's not a lot known about what causes rolling resistance. It's now commonly believed to be largely a function of sidewall deformation, but the impact of various environmental influences on that resistance is very little studied. So we know what it is, but we can't predict it.