00937nam a22003017a 4500 CHAP 20220329143912.0 120705s1993 mdu r 00010 eng d 103503 104475 1052-536X 115165 CHAP 630.16 O52 Olson, Wayne K. 83213 Chemurgy and agriculture : 1934 - 1940 /por Wayne K. Olson Maryland EUA : National Agricultural Library, 1993 56 p. Special reference briefs ; 93-07 BATCH-UPD 10 20130110 UCH01 2018 BATCH-UPD 10 20130410 UCH01 0815 CONVERSION 10 20130109 UCH01 1357 Agricultura Bibliografia. 1321 Special reference briefs ; 93-07 109158 BK LIBRO 630.16 O52 BC C 33724002331017 C 117237 115165 b 103503 103503 0 0 ddc 0 1 0 C BC BC PA_CONSULTA 2019-12-31 LIBRO 0 630.16 O52 33724002564941 2019-12-31 00:00:00 2019-12-31 LIBRO