TY  - GEN
AU  - Clawson,Marion
TI  - Critical review of man's history in arid regions
T2  - Publication, 74
KW  - Zone aride
KW  - Histoire
KW  - Homme
KW  - Indien
KW  - Chasse
KW  - Mine
KW  - Agriculture
KW  - Production
KW  - Etats Unis
KW  - Ouest
N1  - <Donation Engel>; bibliogr. p. 458-459
ER  -