000 003800000a22001210004500
001 25071
090 _a25071
100 _a20190520 frey50
101 _aeng
200 0 1 _aEnvironmental trends : chapter 2
317 _aIPIMAR
463 _a<The State of World Population 2001 >/United Nations Population Fund.- [S.L.] : United Nations Population Fund, 2001.- p. 11-26
606 _aAmbiente