Die Naturwissenschaften; Edward Arnold Co.; Research in Veterinary Science; Ltd.; Farm Mechanization and Buildings; Springer Verlag; The Ciba Foundation Ltd.; Journal of Agricultural Science; Journal of The Institute of Biology; The Lancet; The Reproduction and Fertility; Lea and Febiger; Physiological Society (G. B.); The Royal Masson et Cie, Paris; MacMillan Publishing Society; University of Chicago Press; Uni Co., Inc.; National Academy of Science, versity of Rhodesia; Verhandlungen der U.S.; National Research Council of Canada; Deutschen Gesellschaft fur KreislautJorsch Nature, London;...