000			00477nam a22001337a 4500
008			230519b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a581.33(082.2) _bL1
245			_aSporollenin _c/ Proceedings of a symposium held at the geology department, Imperial college, London, 23-25 September, 1970
260			_aLondon: _bAcademic Press, _c1971
300			_a718p.
700			_aBrooks, J (Ed.)
942			_2udc _cPR
999			_c32456 _d32456