00630cam a22002173  4500001000700000003000800007005001700015008004100032035001100073040002700084082001300111100001900124245006800143260005900211300003400270504005100304650001200355942001200367984001600379999001700395310343BD-DhUL20150109191550.0900604s1949    xx            000 0 und d  a310343  aANLbengcANLdBD-DhUL  a632bBEH1 aBear, Frman E.10aHunger signs in crops :ba symposium /cFirman e. bear (et.al.)  aWashington :bThe American Society of Agronomy,c1949.  axvi, 390 p. :bill, ;c25 cm.  aincludes bibliographical references and index.  2Hunger.  2ddccBK  aANLcA 4024  c29288d29288