TY - JOUR T1 - The role of arXiv, RePEc, SSRN and PMC in formal scholarly communication JO - Aslib Journal of Information Management UR - http://dx.doi.org/10.1108/ajim-03-2015-0049 PY - 2015/11/16 AU - Li X AU - Thelwall M AU - Kousha K ED - DO - DOI: 10.1108/ajim-03-2015-0049 PB - Emerald VL - 67 IS - 6 SP - 614 EP - 635 Y2 - 2024/09/19 ER -