000 00288 a2200133 4500
080 _a5
_bS 956 P
245 1 _aProgress in science
_cby W.L. Sumner
250 _a2nd edn.
260 _aOxford
_c1946
650 _aScience
100 1 _aSumner, W.L.
_d
300 _a184 p.
901 _a22523
999 _c24289
_d24289