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springer
springer

springer.
m. r. wilkins et al., springer.

springer, .
t.l.

springer, 2000.
hout, michael, and harvey rosen. 2000. “self-employment, family background, and race.”

usa: springer.
usa: springer.

" (springer, 2001)
" (springer, 2001) isbn 0-387-95179-2==notes==

springer verlag
springer verlag,

" springer publishing.
" springer publishing.

"spring 2010.
"spring 2010.