01304cam a22003857a 4500 CHAP 20220329135955.0 971013s1976 r 00010 d 44975 45947 50087 CHAP 631.0915 R3 Rapp, A. 94691 Can desert encroachment be stopped Stockholm : United Nations. Environment Programme, 1976 241 p. : ilus. Ecological bulletin ; 24 BATCH-UPD 10 20130110 UCH01 0212 BATCH-UPD 10 20130110 UCH01 1711 BATCH-UPD 10 20130409 UCH01 2228 BATCH-UPD 10 20130410 UCH01 1057 BATCH-UPD 10 20130914 UCH01 1153 CONVERSION 10 20130109 UCH01 1325 Desiertos. 32143 Regiones áridas. 95669 Hovérou, H. N. Le. 56464 Lundholm, B. 69150 Ecological bulletin ; 24 35128 BK LIBRO 631.0915 R3 BC LIBRO -112714 LIBRO c.3 61384 50087 i 631.0915 R3 BC LIBRO 33724000054581 LIBRO c.2 55143 50087 i 631.0915 R3 BC LIBRO 33724000054599 LIBRO 55142 50087 i 44975 44975 0 0 ddc 0 2 0 GRAL BC BC PP_GRAL 2019-12-31 LIBRO 0 631.0915 R3 -112714 2019-12-31 00:00:00 c.3 2019-12-31 LIBRO 0 0 ddc 0 2 0 GRAL BC BC PP_GRAL 2019-12-31 LIBRO 0 631.0915 R3 33724000054581 2019-12-31 00:00:00 c.2 2019-12-31 LIBRO 0 0 ddc 0 2 0 GRAL BC BC PP_GRAL 2019-12-31 LIBRO 0 631.0915 R3 33724000054599 2019-12-31 00:00:00 2019-12-31 LIBRO