The notion of technological research and his place among the infomational activities / Eugenius Olszewski

The acquisition of technology in the 19 th and 20 th Centuries by de underdeveloped countries /

por Olszewski, Eugenius

The role of technology in socialist countries /

por Olszewski, Eugenius

The girdle of chastity : a fascinating history of chastity belts /

por Dingwall, Eric John

A history of technology /

Doce oficios armeros /

por Urdangarín, Carmelo