00412    a2200145   4500020001500000082001300015100002000028245005200048250001200100260006100112300001600173650002600189650003700215700001400252  a0174480377  a570bROB  aRoberts, M.B.V.  aBiologyba functional approach students' manual  a2nd ed.  aSurreybEnglish Language Book Society/Nelsonc1987g1987  a416p.c27cm  aLife sciences biology  aNatural sciences and mathematics  aKing, T.J