@misc{indiciaef56fbb55e88b, title = {Modeling parton spin-transfer densities.}, author = {J Qiu and GP Ramsey and D Richards and D Sivers}, year = {1990}, doi = {10.1103/physrevd.41.65}, url = {https://pubmed.ncbi.nlm.nih.gov/10012188/}, note = {Source identifier: 10012188} }