000			00617nam a2200205Ia 4500
008			230524s9999 xx 000 0 und d
040			_cUDSM
050			_aEAF M33.E3
100			_aMartens, H. E.
245		4	_aThe effect of tribal grazing patterns on the habitat in the Kalahari : conference on sustained production from semi-arid areas with particular reference to Botswana
260			_aGaborone
260			_bBotswana Society
260			_c1971
300			_a8p.
300			_c30cm.
650			_aTribal grazing
700			_aill.
942			_2Library of Congress Classification
942			_cPamphlet
999			_c56168 _d56168