Reason. Havis, L. Montessori Observer, 22(1):2–4, March, 2001.
bibtex   
@article{havis_reason_2001,
	title = {Reason},
	volume = {22},
	language = {eng},
	number = {1},
	journal = {Montessori Observer},
	author = {Havis, Lee},
	month = mar,
	year = {2001},
	pages = {2--4}
}
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