TY - JOUR T1 - Citation levels and collaboration within library and information science JO - Journal of the American Society for Information Science and Technology UR - http://dx.doi.org/10.1002/asi.21000 PY - 2008/12/19 AU - Levitt JM AU - Thelwall M ED - DO - DOI: 10.1002/asi.21000 PB - Wiley VL - 60 IS - 3 SP - 434 EP - 442 Y2 - 2024/09/19 ER -