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eds.), Vol. 2, p. 61. Academic Press, New York and London.
Vahs, W. (1062). Roux Arch. EntwMech. Organ. 153, 504.
Vanderhaeghe, F. (1956). Thèse Faculté des Sciences—Université
de Bruxelles.
Vanderhaeghe, F. and Baltus, E. (1962). Arch. int. Physiol. Biochim. 70, 414.
Waddington, C. H., Needham, J. and Brächet, J. (1936). Proc. roy. Soc. B. 120,
173.
Weiss, S. B. and Nakamoto, T. (1961). Proc. nat. Acad.Sci. 47, 1400.
Werz, G. (1959). Planta 55, 502.
Werz, G. (1960a). Z. Naturf. 15B, 85.
Werz, G. (1960b). Planta 55, 22.
Werz, G. (1961). Z. Naturf. 16B, 126.
Werz, G. and Hämmerling, J. (1959). Planta 53, 145.
Werz, G. and Hämmerling, J. (1961). Z. Naturf. 16B, 829.
Whiteley, A. H. and Baltzer, F. (1958). Pubbl.Staz. zool. Napoli 30, 402.
Yamada, T. (1961). 'Advances in Morphogenesis' (M. Abercrombie and J. Brächet,
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Yamada, T. and Karasaki, S. (1962). Fed. Proc. 21, 163.
Zeller, C. (1956). Roux Arch. EntwMech. Organ. 148, 361.
