@inbook {9956,
	title = {Loglinear Models for Reciprocal and Other Simultaneous Effects},
	booktitle = {Sociological Methodology},
	year = {1991},
	publisher = {Basil Blackwell},
	organization = {Basil Blackwell},
	author = {Christopher Winship and Robert D. Mare},
	editor = {Peter V. Marsden}
}
