@INCOLLECTION{西阪1990b, author = "仰 西阪", booktitle = "『ルーマン/来るべき知』", keywords = "EMCA, JAEMCA", editor = "透 土方", pages = "61–87", publisher = "勁草書房", title = "「コミュニケーションのパラドクス」", year = "1990", }