000 00405nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aF. peter Woodford
_92945
245 0 _aProceedings of the National Academy Of Sciences of the United States of America
260 _cMay, 1971
_bThe National Academy of Sciences
_aU.S.A
300 _aP. 873-1990
300 _bV. 68
942 _cJRBV
999 _c13872
_d13872