APA

Perkins F. T. (., Regamey R. H. (., . (1975). International symposium on immunity to infections of the respiratory system in man and animals (developments in biological standardization) (vol.28): proceedings of the 47th symposium organized by the international association of biological standardization and held at the institute of child health, guilford street, london Wci u. K. 22-25 april 1974. Basel: S. Karger.

Chicago

Perkins F T (ed.), Regamey R H (ed.), . 1975. International symposium on immunity to infections of the respiratory system in man and animals (developments in biological standardization) (vol.28): proceedings of the 47th symposium organized by the international association of biological standardization and held at the institute of child health, guilford street, london Wci u. K. 22-25 april 1974. Basel: S. Karger.

Harvard

Perkins F. T. (., Regamey R. H. (., . (1975). International symposium on immunity to infections of the respiratory system in man and animals (developments in biological standardization) (vol.28): proceedings of the 47th symposium organized by the international association of biological standardization and held at the institute of child health, guilford street, london Wci u. K. 22-25 april 1974. Basel: S. Karger.

MLA

Perkins F T (ed.), Regamey R H (ed.), . International symposium on immunity to infections of the respiratory system in man and animals (developments in biological standardization) (vol.28): proceedings of the 47th symposium organized by the international association of biological standardization and held at the institute of child health, guilford street, london Wci u. K. 22-25 april 1974. Basel: S. Karger. 1975.