000 00324nam a2200133Ia 4500
008 221001s1969 xx 000 0 eng d
020 _a090959507
082 _a910.091 WAL
100 _aWalton, K.
245 4 _aThe arid zones
260 _aLondon
_bHutchinson University Library
_c1969
300 _a175p.
942 _2ddc
_cBK
999 _c2836
_d2836