@article {21304,
	title = {Higher-order assembly of microtubules by counterions: from hexagonal bundles to living necklaces},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {101},
	number = {46},
	year = {2004},
	pages = {16099-16103},
	publisher = {National Acad Sciences},
	isbn = {0027-8424},
	url = {https://www.pnas.org/content/101/46/16099.short},
	author = {Needleman, Daniel J and Ojeda-Lopez, Miguel A and Raviv, Uri and Miller, Herbert P and Wilson, Leslie and Safinya, Cyrus R}
}
