@book{3459,
	author = {De Witt, Nicholas and Waterman, Alan T.},
	title = {Education and professional employment in the U.R.S.S.},
	publisher = {Government Printing Office},
	year = {1961},
	address = {Washington, D.C.},
	note = {Este libro fue preparado para la National Science Foundation by the Office of Scientific Personnel National Academy of Sciences-National Research Council}
}