1. Beiträge zur theorie und praxis der histologischen färbung;Ehrlich,1878
2. Aus theorie und praxis der chemotherapie;Ehrlich;Folia Serologica,1911
3. There's plenty of room at the bottom;Feynman;Eng Sci,1960
4. On the basic concept of ‘nano-technology’;Taniguchi,1974
5. Engines of creation: the coming era of nanotechnology;Drexler,1986