v.31:no.1 (1999: Jan.)

v.31:no.2 (1999: Feb.)

v.31:no.3/4 (1999: Mar./Apr.)

v.31:no.5 (1999: May)

v.31:no.6 (1999: June)

v.31:no.7/8 (1999: July/Aug.)

v.31:no.9 (1999: Sept.)

v.31:no.10 (1999: Oct.)

v.31:no.11 (1999: Nov.)

v.31:no.12 (1999: Dec.)