John Collins. Parton distribution functions (definition). Scholarpedia, 7(7):10851, 2012. [doi]
@article{Collins12-0,
title = {Parton distribution functions (definition)},
author = {John Collins},
year = {2012},
doi = {10.4249/scholarpedia.10851},
url = {http://dx.doi.org/10.4249/scholarpedia.10851},
researchr = {https://researchr.org/publication/Collins12-0},
cites = {0},
citedby = {0},
journal = {Scholarpedia},
volume = {7},
number = {7},
pages = {10851},
}