000 00269 a2200121 4500
080 _a5
_bW 522 S
245 1 _aScientific method
_cby F.W. Westaway
250 _aNew edn.
260 _c1919
650 _aScientific Method
100 1 _aWestaway, F.W.
_d
901 _a14519
999 _c24296
_d24296