000 00339nam a22001217a 4500
005 20180626123231.0
008 180626b xxu||||| |||| 00| 0 eng d
040 _cPK-LaUMT
082 _aMJC 910.5
_bNAT-
245 _aNational geogrpahic (Vol. 150 , no.1)/
260 _aWahsington , DC,.
_bNational geographic society
_c1976
942 _cBK
999 _c105220
_d105220