%0 Journal Article %1 Leijen_heap %A van Leijenhorst, D. C. %A van der Weide, Th. P. %D 2005 %J Information Sciences %K heap vocabulary dictionary growth zipf law %N 2-4 %P 263-272 %T A formal derivation of Heaps' Law %U citeseer.ist.psu.edu/grootjen03formal.html %V 170

@article{Leijen_heap, added-at = {2007-02-09T12:56:28.000+0100}, author = {van Leijenhorst, D. C. and van der Weide, Th. P.}, biburl = {https://www.bibsonomy.org/bibtex/202bd44ce23207a5a7df6528d24e34b25/vitelot}, interhash = {9b076ffe57c198fdbf9deaec571190be}, intrahash = {02bd44ce23207a5a7df6528d24e34b25}, journal = {Information Sciences}, keywords = {heap vocabulary dictionary growth zipf law}, number = {2-4}, pages = {263-272}, timestamp = {2007-02-09T12:56:28.000+0100}, title = {A formal derivation of Heaps' Law}, url = {citeseer.ist.psu.edu/grootjen03formal.html}, volume = 170, year = 2005 }