1. Microelectronics;Beale,1971
2. A computer controlled electron beam machine for microcircuit fabrication;Chang;I.E.E.E. Trans. Elect. Dev.,1975
3. Electron beam lithography for microcircuit fabrication;Ahmed;I.E.E. Electronics and Power,1976
4. Bubbles rise from the lab.;Torrero;I.E.E.E. Spectrum,1976
5. Magnetic bubbles;Bobeck;Scientific American,1971