000 00360nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings Of The National Academy Of Sciences Of The United States Of America
260 _cJanuar, 1982
_bNational Academy Of Science
_aU. S. A
300 _aP.1-952
300 _bV.79
942 _cJRBV
999 _c21584
_d21584