02a0020682;0-901702-53-6;¥228.23;20011205d1994 ekmy0engy01;eng;a z 000yy;r;Plant fossils of the British coal measures;Christopher J. Cleal & Barry A. Thomas;London;The Palaeontological Association;1994;222 p.;ill;Field Guides to Fossils;Palaeontological Association;no.6;2252;aField Guides to Fossils ; fPalaeontological Association ; vno.6;英国煤系中的植物化石;a570;Cleal ; Thomas;Christopher J. ; Barry A.;101;458458;570;C58f;r¥228.23;a15;b1