Track of HSMS Sophia tracing the extent of navigable water along the main northern ice between Spitzbergen and Greenland September 1868 : also showing the nature of the ice and temperature and depth of the sea

Kartta kuuluu A. E. Nordenskiöldin kokoelmaan

Photograph - Ann Sophia Sanderson

Photograph of a sketch, 13 cm x 10 cm, of Ann Sophia Sanderson. The photographer was G.F. Maitland of St. Catharines.

Patrones de dinámica de un ecosistema multicohortal de Pinus culminicola Andresen & Beaman y Pinus hartwegii Lindl. en una fracción de la Sierra Madre Oriental por Marco Aurelio González Tagle

Tesis (Maestría en Ciencias Forestales) U.A.N.L.