J.Reproducition and Fertility 1976

J.Reproducition and Fertility 1966

J.Reproducition and Fertility 1980

J.Reproducition and Fertility 1969

J.Reproducition and Fertility 1968

J.Reproducition and Fertility 1979

J.Reproducition and Fertility 1975

J.Reproducition and Fertility 1977

J.Reproducition and Fertility 1967

J.Reproducition and Fertility 31/1972

J.Reproducition and Fertility 32/1973

J.Reproducition and Fertility 45/1975