Vol. 11 No. 1-2 (1970)

Original Articles

Rheological study of semiconsistant excipients applied in pharmaceutical pomade technology: III. Relationship between the nature of the substance and the penetration

A. Cerezo, J. Mª. Suñé

3-14
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Incorporation of mevalonic acid by pinus pinaster plants

E. García Peregrín

15-33
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Identification of nitrifying germs of arid soils

C. Pérez Miranda, V. Callao

35-40
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Study of the nitrifying power in the arid soils of the province of Jaén.

C. Pérez Miranda, V. Callao

41-47
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Special Articles

Experiences of digestibility and energy balance in xonejos fed with different fat levels and at two temperatures. Comparative study by calorimetric techniques and co-efficient digestibility

Teresa Aragón Rueda

71-101
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Review Articles

Iconographic review of the southern Iberian flora

Fernando Esteve Chueca, Juan Varo Alcalá

49-61
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Nitrification in arid soils

C. Pérez Miranda

63-69
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