%0 Journal Article %J Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences %D 1981 %T C-13 Nmr-Studies of Coal and Coal Extracts %A Wemmer, D. E. %A Pines, A. %A Whitehurst, D. D. %B Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences %V 300 %P 15-41 %@ 1364-503X %G English %U ://WOS:A1981LJ67000002 %N 1453 %M WOS:A1981LJ67000002 %! C-13 Nmr-Studies of Coal and Coal Extracts %R Doi 10.1098/Rsta.1981.0045