Citation: B. Leblond et G. Rajaonera, SHORT-PULSE PHOTOEMISSION FROM A TRIOXIDE CATHODE UNDER THE FUNDAMENTAL, THE 2ND, 3RD AND 4TH HARMONICS OF A PICOSECOND ND-YAG LASER, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 333(2-3), 1993, pp. 524-530