000 00416 a2200169 4500
082 _a372.357044
_bCLR
100 _aClarke, J. D.
_956036
245 _aRural science for secondary schools
_c J. D.Clarke,
260 _aLondon:
_bLondgmans,
_c1961.
300 _a190p.
500 _aHB
546 _aEng
650 _aNature study
_952494
650 _aAgriculture
_956037
650 _aBiology
_956038
942 _cBK
999 _c58578
_d58578