TY  - BOOK
AU  - Clark,John O.E.
TI  - Timeless of science and technology (1) : Origins of science prehistory-850 B.C
T2  - Timeless of science and technology
SN  - 1840441984
U1  - 509 23
PY  - 2006///
CY  - London : 
PB  - Brown Reference Group , 
KW  - Discoveries in science
N1  - Vol. 1
ER  -