Eckart Voland

Grandmotherhood  Eckart Voland Athanasios Chasiotis Wulf Schiefenhovel Paperback. Rutgers University Press, 2014-09-30 ISBN 9780813571416     Grandmotherhood: The Evolutionary Significance of the Second Half of Female Life  Eckart Voland Athanasios Chasiotis Wulf Schiefenhovel Hardcover. Rutgers University Press, 2005-08-25 ISBN 9780813536095     The Sociobiology of Sexual and Reproductive Strategies  Anne E. Rasa Christian Vogel Eckart Voland Hardcover. Chapman & Hall, 1989-08-01 ISBN 9780412337802