@misc{indiciae97ddf5b85ca7, title = {Hexagonal and trigonal sphere packings. II. Bivariant lattice complexes.}, author = {H Sowa and E Koch}, year = {2004}, doi = {10.1107/s010876730400162x}, url = {https://pubmed.ncbi.nlm.nih.gov/14966328/}, note = {Source identifier: 14966328} }