M. E. Maron. Depth of indexing. JASIS, 30(4):224-228, 1979. [doi]
@article{Maron79, title = {Depth of indexing}, author = {M. E. Maron}, year = {1979}, doi = {10.1002/asi.4630300409}, url = {http://dx.doi.org/10.1002/asi.4630300409}, researchr = {https://researchr.org/publication/Maron79}, cites = {0}, citedby = {0}, journal = {JASIS}, volume = {30}, number = {4}, pages = {224-228}, }