ENVIRONMENTAL SCIENCE EARTH AS ALIVING PLANET SECOND EDITION
BANIEL B.BOTKIN EDWARD A.KELLER1995 年出版703 页ISBN：
MANAGEMENT SCIENCE A PRACTICAL APPROACH TO DECISION MAKING
ROBERT A.DUNN KENNETH D.RAMSING1981 年出版527 页ISBN：
Food science sourcebook second edition part 2:food compsition
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A WORKBOOK IN MATHEMATICAL METHODS FOR ECONOMISTS
R.QUENTIN GRAFTON TIMOTHY C.SARGENT1997 年出版278 页ISBN：0070071225
