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999 _c57820
_d57820
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082 _a570
_bGER
_223
100 _aGERKING, Shelby D.
245 _aBiological systems /
_c[by] Shelby D Gerking
260 _aPhiladelphia
_bW.B. Saunders
_c1969
300 _axiv, 480 p.
500 _aIncludes glossary & index.
650 _aBiology
942 _cR