Библиографический источник

The survey method in geography and its objectives

C. O. Sauer

Заглавие:: The survey method in geography and its objectives
Автор:: Sauer C. O.
Язык текста:: Английский
Сведения об источнике:: Annals of the Association of American Geographers. – 1924. – Vol. 14, № 1. – P. 17–33.