00384nam a22001337i 4500001001000000005001700010008004100027082001800068100001800086245003900104260005600143300001700199650003400216SXC01775920260819093630.0260101s1967    ii            000 0 eng d  a600 KOH-S222  aKohn, Bernice10aScientific method /cKohn, Bernice  abPrentice-Hall, Inc., Englewood Cliffs, N J,c1967  ap. ;c22 cm. 0aTechnology (Applied sciences)