00861cam a22002777a 4500 CHAP 20220329141455.0 971013s1945 r 00010 d 68729 69701 79178 CHAP 631.45 M52 Mickey, Karl B. 75472 Man and the soil : a drief introduction to the study of soil conservation Chicago : International Harvester, 1945 110 p. : ilus. BATCH-UPD 10 20130110 UCH01 2006 BATCH-UPD 10 20130410 UCH01 1326 BATCH-UPD 10 20130914 UCH01 2038 CONVERSION 10 20130109 UCH01 1338 Suelos Conservación. 110283 BK LIBRO 631.45 M52 BC LIBRO -32061 LIBRO 730035 79178 i 68729 68729 0 0 ddc 0 2 0 GRAL BC BC PP_GRAL 2019-12-31 LIBRO 0 631.45 M52 -32061 2019-12-31 00:00:00 2019-12-31 LIBRO