@incollection{Pułka10, author = {Andrzej Pułka}, title = {NALUPES – Natural Language Understanding and Processing Expert System}, booktitle = {Expert Systems}, publisher = {IntechOpen}, address = {Rijeka}, year = {2010}, editor = {Petrica Vizureanu}, chapter = {2}, doi = {10.5772/7070}, url = {https://doi.org/10.5772/7070} }