Williams H.G. ea, 1992
Williams H.G. , Roberts T.M. and Li P. ( 1992 ) Procidings of the National Academy of Sciences of the USA , 89, 2922-2926.
Williams H.G. , Roberts T.M. and Li P. ( 1992 ) Procidings of the National Academy of Sciences of the USA , 89, 2922-2926.
