@inproceedings{klein2002generative,
 author = {Dan Klein and Christopher D. Manning},
 booktitle = {40th Annual Meeting of the Association for Computational Linguistics (ACL)},
 title = {A Generative Constituent-Context Model for Improved Grammar Induction},
 url = {https://nlp.stanford.edu/pubs/klein2002generative.pdf},
 year = {2002}
}