TY  - BOOK
AU  - Day, M. H. 
TI  - Human evolution
T2  - Symposia of the Society for the Study of Human Biology, 
SN  - 0850660610 :
U1  - 573.2 23
PY  - 1973///
CY  - London : 
PB  - Taylor & Francis
KW  - Respiratory system
N1  - Include Bibliography
ER  -