A specialized book on knowledge engineering, first edition from 1984, edited by Kokichi Tanaka, priced at 8000 yen. - Title: Knowledge Engineering - Editor: Kokichi Tanaka - Price: 8000 yen - Publisher: Asakura Publishing Co. - First Edition Date: January 10, 1984 Thank you for viewing. The cover is stained due to aging, but the inside is clean. It is an old book, but please consider purchasing it if you need it. There is a section with the purchase date from the university co-op. It is being sold as is, without being erased.