00918nam a2200277Ia 4500 112523 BIBL 20160527183409.0 690303s1969 nyu b 00110 eng 69010974 //r85 EVLG Q175 .K46 501/.8 501 K48 Killeffer, David H. (David Herbert) 242064 Local How did you think of that? An introduction to the scientific method [by] David H. Killeffer. [1st ed.] Garden City, N.Y. Doubleday 1969. 153 p. 22 cm. 4.50 Chemistry in action series "Prepared under the sponsorship of the Manufacturing Chemists' Association." Bibliography: p. [146]-148. Science Methodology. 166868 Local Manufactoring Chemists' Association. 249664 Local 93976 93976 0 0 0 501_000000000000000_K48 0 evl 24638 10 10 1 2016-05-27 172181 0 501 K48 80000001208787 2016-05-27 00:00:00 r:112523 z:NCC:D 6