TY - BOOK AU - Smil,Vaclav TI - Feeding the world: a challenge for the twenty-first century SN - 0262194325 (alk. paper) AV - S494.5.P75 S55 2000 U1 - 338.1/9 21 PY - 2000/// CY - Cambridge, Mass. PB - MIT Press KW - Agricultural productivity KW - Food supply N1 - Includes bibliographical references (p. [317]-351) ER -