000 00328nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceeding of the national academy of sciences
260 _cMay, 1985
_bNational Academy Of Science
_aU. S. A
300 _aP.3063-4300
300 _bV.82
942 _cJRBV
999 _c33499
_d33499