@article{WBLN_2020__7__A4_0,
     author = {Schneiderman, Rob},
     title = {Introduction to {Whitney} towers},
     booktitle = {Winter Braids X (Pisa, 2020)},
     series = {Winter Braids Lecture Notes},
     note = {talk:4},
     pages = {1--71},
     publisher = {Winter Braids School},
     year = {2020},
     doi = {10.5802/wbln.36},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/wbln.36/}
}