f38246eba8bbb5f253d43585943ce30b1a6d0069 ipsj-is-146-handout f38246eba8bbb5f253d43585943ce30b1a6d0069 ipsj-is-146-handout 0000000000000000000000000000000000000000 ipsj-is-146-handout f38246eba8bbb5f253d43585943ce30b1a6d0069 default/ipsj-is-146-handout