00533nam a2200193 a 4500 219351 BD-DhUL 20150112123229.0 911223s1960 enka 000 0 eng d ANL eng ANL BD-DhUL 631.1 PAW Paterson, D. W. Work simplification in agriculture; illustrations by H.F. Smith. [London] Land Books [1960] 91 p. illus. Agriculture Labor productivity. ddc BK ANL 631 PAT 29774 29774 0 0 ddc 0 PAW 0 NFIC 56567 DUSL DUSL GEN 1973-05-30 Purchased 0.00 PAW A97845 2015-01-12 2 2015-01-12 BK 0 0 ddc 0 PAW 0 NFIC 56568 DUSL DUSL GEN 1973-05-30 Purchased 0.00 PAW A28987 2015-01-12 1 2015-01-12 BK