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101   $aeng
102   $aNL
105   $a||||||||001yy
200 1 $aEconomies of scale and the form of the production function$ean econometric study of Norwegian manufacturing establishment data$fZ. Griliches and V. Ringstad
210   $aAmsterdam$cNorth-Holland Publsh. Comp.$d1971
215   $a204 p.$d23 cm
225 2 $aContributions to economic analysis$v72
410  0$12001$aContributions to economic analysis$v72
454  1$12001
461  1$1001-------$12001
700  1$aGRILICHES,$bZvi$0569000
701  1$aRINGSTAD,$bVidar$0146058
801  0$aIT$bsalbc$gISBD
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996   $aEconomies of scale and the form of the production function$91032781
997   $aUNISA