TY  - BOOK
AU  - John Langdon Davies
TI  - Man and his universe
U1  - 500 
PY  - 1950///
CY  - London
PB  - Watts & Co.
KW  - General Sciences
N1  - John Langdon Davies: Man and his universe.  (2nd Edition)  London.  Watts & Co., 1950.--(500LAN)
ER  -