1. M[otilde]ller, S.P. 1988. “ASTRID, a Storage Ring for Ions and Electrons,”. Proc. Eur. Part. Acc. Conf. 1988, Rome. pp.112
2. Race-track microtron injectors for SR-sources
3. Hangst, J. 1991. “Laser cooling of stored beams in ASTRID,”. Proc. 14th Biennial Part. Ace. Conf. May1991, San Fransisco.