@article{shulman_2008,
 title = {Framed bicategories and monoidal fibrations},
 author = {Shulman, Michael},
 year = {2008},
 journal = {Theory and Applications of Categories},
 volume = {20},
 number = {18},
 pages = {650--738},
 url = {https://arxiv.org/abs/0706.1286}
}