@article{10_4153_S0008414X21000316,
     author = {Huynh, Tony and Wood, David R.},
     title = {Tree densities in sparse graph classes},
     journal = {Canadian journal of mathematics},
     pages = {1385--1404},
     year = {2022},
     volume = {74},
     number = {5},
     doi = {10.4153/S0008414X21000316},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X21000316/}
}