00353nam a2200121Ia 450000500170000000800410001704100080005808200130006610000200007924500840009926000400018330000080022320260720174604.0260720s2006    xx            000 0 und d  aeng  a500 CLAT  aClark, John O E  aTimeliness of science & technology vol-I origins of science(prehistory 850 B.C)  aLondonbBrown Reference Groupc2006  a64p