LEADER 00000nam 2200217 a 4500 001 0988983 007 t 008 000306 3 1991 000 eng 020 354052519X 040 CURLBL 050 4 GB 611 M2 100 1 Mainguet, Monique. 245 10 Desertification :|bnatural background and human mismanagement. 260 Berlin :|bSpringer-Verlag,|c1991. 300 306p. 440 0 Springer series in physical environment ;|v9 946 6XX absent
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