Robert J. W. Tijssen, Anthony F. J. van Raan, W. J. Heiser, L. Wachmann. Integrating multiple sources of information in literature-based maps of science. J. Information Science, 16(4):217-227, 1990. [doi]
@article{TijssenRHW90,
title = {Integrating multiple sources of information in literature-based maps of science},
author = {Robert J. W. Tijssen and Anthony F. J. van Raan and W. J. Heiser and L. Wachmann},
year = {1990},
doi = {10.1177/016555159001600402},
url = {http://dx.doi.org/10.1177/016555159001600402},
researchr = {https://researchr.org/publication/TijssenRHW90},
cites = {0},
citedby = {0},
journal = {J. Information Science},
volume = {16},
number = {4},
pages = {217-227},
}