C. R. W. Spedding Human food chain - London Elsevier Applied Science 1989 - 330p C. R. W. Spedding: Human food chain. London. Elsevier Applied Science, 1989. 1-58166-317-7--(338.19SPE) ENGLISH ISBN: 1-58166-317-7 Dewey Class. No.: 338.19 / SPE