Bocher Tyge W Studies on morphological progression and evolution in the vegetable kingdom Bocher Tyge W - Denmark Bianco Lunos Bogtrykkeri 1951 - 51p. cm. - Det Kongelige Danske Videnskabernes Selskab Dan . Biol. Medd.; 13 . Standard No.: 64372 Source: Textual Subjects--Topical Terms: Plant anatomy Dewey Class. No.: I:2, J1 CS