RU
Selekcija kartofelja na pol'zovatel'skie kachestva. Chast' I. Razlichija v predelakh nekotorykh skreshhivanijj v otnoshenii urozhajjnosti, skorospelosti, bujjnosti rasyenijj i dliny stolonov
EN
Selection of potatoes. Part I. Differentiation in several crosses in yielding ability, earliness, vigour of growth and lenght of stolons