00312nam a2200109Ia 4500082002000000100002400020245008400044260004800128300001600176500000500192700000500197  a338.19bH976.PF  aHutchinson, Joseph.  aPopulations and fod supply; essays on humman needs and agricultural prospectsb  aCambridgebCambridge University Pressc1969  aviii, 144p.  a  a