00405    a2200133   4500020001500000082001500015100002500030245008200055260005100137300002100188650001800209700002100227700002300248  a0521384737  a660.6bBIO  aSilva, E.J. Da eed.  aBiotechnologybeconomic and social aspects b issues for developing countries  aCambridgebUniversity of Cambridgec1992g1992  axiii,388p.c23cm  aBiotechnology  aSasson, A. eed.  aRatledge, C. eed.