9780387544885 | Springer Verlag, July 1, 1992, cover price $69.00 | also contains Angry Birds Playground: Question & Answer Book: a Who, What, Where, When, Why, and How Adventure | About this edition: bhe aim of the book was not to focus the age-dependent modifications of one specific biological systems or phenomena, but the attempt was pursued to cover several fields in which the biological research on aging is going on.

9783540544883 | Springer Verlag, May 19, 1992, cover price $149.00 | About this edition: bhe aim of the book was not to focus the age-dependent modifications of one specific biological systems or phenomena, but the attempt was pursued to cover several fields in which the biological research on aging is going on.