@article{CMH_1978__53_139725,
     author = {John Cantwell and Lawrence Conlon},
     title = {Growth of leaves.},
     journal = {Commentarii mathematici Helvetici},
     pages = {93--112},
     year = {1978},
     volume = {53},
     zbl = {0368.57009},
     url = {http://geodesic.mathdoc.fr/item/CMH_1978__53_139725/}
}