The new world centers of origin of cultivated plants and the archaeological evidence

1968 ◽  
Vol 22 (3) ◽  
pp. 253-266 ◽  
Author(s):  
C. Earle Smith
Nature ◽  
1926 ◽  
Vol 118 (2967) ◽  
pp. 392-393 ◽  
Author(s):  
W. B. TURRILL

Kew Bulletin ◽  
1968 ◽  
Vol 21 (3) ◽  
pp. 476
Author(s):  
Keith Jones ◽  
F. Schwanitz

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