00972cam a22002771 4500 7532017 BD-DhUL 20190325110228.0 820330s1964 ne b 000 0 eng 66001999 (OCoLC)9800183 DLC MnSU OCoLC OClU DLC BD-DhUL premarc e-ne--- HD57 .B58 338 BOE Boon, Gerard Karel. Economic choice of human and physical factors in production : an attempt to measure the micro-economic and macro-economic possibilities of variation in factor proportions of productions / Gerard Karel Boon. Amsterdam : North-Holland, 1964. xviii, 332 p. : ill. ; 23 cm. Contributions to economic analysis ; 35 Includes bibliographical references and index. Labor productivity. Economic development. ddc BK 69114 69114 0 0 ddc 0 338_000000000000000_BOE 0 NFIC 117308 DUL DUL GEN 1974-02-19 Gift 338 BOE A116948 2016-05-24 2016-05-24 BK