000 00405 a2200169 4500
082 _a574
_bBRE
100 _aBruns,Roman O
_944079
245 _aExperiences in biological concepts
_cRamon O. Bruns
250 _a2nd ed.
260 _aMinneapolis:
_bBurgess,
_c1971.
300 _bv, 92p.
500 _aPB
546 _aEng
650 _aBiology
_944080
700 _aOlsson, Fred J
_944081
942 _cBK
999 _c55144
_d55144