Can retrieval of information from citation indexes be simplified? Multiple mention of a reference as a characteristic of the link between cited and citing article.

@article{herlach-1978-retrieval, author = {Gertrud Herlach}, title = {{Can retrieval of information from citation indexes be simplified? Multiple mention of a reference as a characteristic of the link between cited and citing article}}, journal = {Journal of the Association for Information Science and Technology (JASIST)}, volume = {29}, number = {6}, pages = {308--310}, year = {1978}, url = {https://doi.org/10.1002/ASI.4630290608}, doi = {https://doi.org/10.1002/ASI.4630290608} }