00630cam a22002173 4500 310343 BD-DhUL 20150109191550.0 900604s1949 xx 000 0 und d 310343 ANL eng ANL BD-DhUL 632 BEH Bear, Frman E. Hunger signs in crops : a symposium / Firman e. bear (et.al.) Washington : The American Society of Agronomy, 1949. xvi, 390 p. : ill, ; 25 cm. includes bibliographical references and index. Hunger. ddc BK ANL A 4024 29288 29288