(NgIGIENA SELXSKOHOZQJSTWENNYH VIWOTNYH (B:s (Nu^EBNOE POSOBIE (B/s - (NsKOROHODXKO(B, (Na(B.(Nk(B.s ((NmOSKWA (B:s (NsELXHOZGIZ(B,s, 1936)
Keywords: (NsELXSKOHOZQJSTWENNYE VIWOTNYEs -- (NGIGIENAs