@book{7700,
	author = {Penn, Roger},
	title = {Social statistics},
	publisher = {Sage Publications},
	year = {2010},
	address = {Los Angeles},
	note = {contents: 4 Vols. Vol.1 (Fundamentals of descriptive social statistics), (xliv, 216p.) - v.2 ( Development of statistical modelling), (viii, 459p) - v.3 (Statistical modelling of longitudinal data), (viii, 463p.) - v.4 (Statistical modelling of ordinal categorical data) , (viii, 454p.)}
}