@article{10_37236_2152,
     author = {Eric Riedl},
     title = {Largest and smallest minimal percolating sets in trees},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {1},
     doi = {10.37236/2152},
     zbl = {1244.05062},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2152/}
}