Poteryam zerna - nadezhnȳĭ zaslon.
Edition: 2-oe izd., perer. i dop.
Series: Uchebniki i uchebnȳe posobiya dlya podgotovki sel'skokhozyaĭstvennȳkh kadrov massovȳkh professii
Publisher: Kolos
Published: 1981
Place of publication: Moskva
Language: rus
Notes: Previous ed. published in 1971.