000 00529 a2200169 4500
080 _a631.445.5
_bU 58 A
245 1 _aArid zone programme
260 _aFrance
_bUnited Nations of Educational, Scientific and Cultural Organization
_c1957
650 _aHuman Ecology
650 _aArid Zone
650 _aAnimal Ecology
700 _aUnited Nations of Educational, Scientific and Cultural Organization
500 _aVol. 8 : Human and animal ecology : Review of research
100 _a
_d
300 _a244 p.
901 _a51669
999 _c44157
_d44157