Grass Evolution, the Kranz Syndrome, 13C/12C Ratios, and Continental Drift

Nature ◽  
1972 ◽  
Vol 239 (5371) ◽  
pp. 345-346 ◽  
Author(s):  
W. V. BROWN ◽  
B. N. SMITH
Author(s):  
Benjamin Grob-Fitzgibbon
Keyword(s):  

Science Scope ◽  
2015 ◽  
Vol 038 (07) ◽  
Author(s):  
Allyson Rogan-Klyve ◽  
Micki Halsey Randall ◽  
Tyler St. Clair ◽  
Ron Gray

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