Topics (ro): | economie - stiinta - tehnica - Elvetia - sfirsitul sec.XIX - inceputul sec.XX; Fundatia Landis & Gyr - Elvetia; biografie - Gyr, Karl Heinrich, 1879-1946 | Subiecte (en): | economy - science - technique - Switzerland - late 19th c. - early 20th c.; Landis & Gyr Foundation - Switzerland; biography - Gyr, Karl Heinrich, 1879-1946 | Reviews: | Google, Amazon (UK,DE,FR), Barnes&Noble, BibNat, BCU, WorldCat, LOC |
|