000 00364 a2200133 4500
082 _a372.35744
_bPER
245 _aThe perpetuation of life
_b: Nuffield biology teachers'guide 4
_cNuffield Foundation
260 _aLondon:
_bLongmans Books,
_c1967.
300 _a206p.
500 _aHB
546 _aEng
650 _aBiology-Textbook,'O' level
_954942
942 _cBK
999 _c58265
_d58265