@article {litwiln2010social,
	title = {Social Network Type and Subjective Well-being in a National Sample ofOlderAmericans. ln: The Gerontologist},
	journal = {H. published online November},
	volume = {19},
	year = {2010},
	pages = {2010},
	author = {Litwiln, Howard and Shiovitz-Ezra, Sharon}
}
