003340a00a22001570004500020001800000245002600018100002200044260002600066260000900092300001300101082001100114306001200125760001800137015001100155887001000166 a0-12-270303-0 aGenetic Engineering 3 aWilliamson Robert bLondon:Academic Press c1982 a1-173pgs a575G25 aGenetic bNo.1 cupboard a001038 a100/=