000 00266nam a2200109Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
100 _aScientific American
_951651
245 0 _aBiosphere
260 _bW.H. Freeman & Comp.
_c1970
300 _a134
942 _cBK
_pCL
999 _c173332
_d173332