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Bathymetric food habit changes in the antarctic fish, Notothenia gibberifrons Lönnberg. (Pisces: Nototheniidae).
(Kluwer Academic Publishers, 1977)
Alkaloid Chemosysternatics, Chernotaxonorny and Biogenesis in the Atherospernataceae
(American Society of Pharmacognosy, 1977-10-03)
COMUNICACION BREVE ESTUDIO PRELIMINAR DE LOS ALCALOIDES DE ANNONA CHERIMOLIA
(Laboratorios Mixim, S.A. de C.V., 1977-05-17)