TY - BOOK ED - Ethyl Corporation (New York) TI - Food for America's future: twelve outstanding authorities discuss the country's ability to feed its multiplying millions U1 - 338.1973 21st PY - 1960/// CY - New York PB - Mc Graw-Hill Book KW - Food-America; Crop circles-America; Environmental economics-America; Labor-America; Capital-America ER -