@book{98,
	author = {Gaddy, Clifford G. and Treml, V.G.},
	title = {Uncovering the"Hidden Wage". Public Perceptions of  Opportunities for Side Income in Various Occupations in the  USSR},
	publisher = {WEFA Group,},
	year = {1991.},
	series = {Berkeley-Duke Occasional Papers on the Second Economy},
	address = {Durham :}
}