@article {310990,
	title = {A Field Study in Siam of the Behavior and Social Relations of the Gibbon (Hylobates Lar).},
	journal = {Comparative Psychology Monographs},
	volume = {16},
	year = {1940},
	pages = {1-212},
	doi = {http://dx.doi.org/10.2307/1374943},
	author = {Carpenter, C. R.}
}
