How did you think of that? An introduction to the scientific method

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100	1	⊔	‡aKilleffer, David H. ‡q(David Herbert), ‡d1895-
245	1	0	‡aHow did you think of that? ‡bAn introduction to the scientific method ‡c[by] David H. Killeffer.
250	⊔	⊔	‡a[1st ed.]
260	⊔	⊔	‡aGarden City, N.Y., ‡bDoubleday, ‡c1969.
300	⊔	⊔	‡a153 p. ‡c22 cm.
350	⊔	⊔	‡a4.50
490	0	⊔	‡aChemistry in action series
500	⊔	⊔	‡a"Prepared under the sponsorship of the Manufacturing Chemists' Association."
504	⊔	⊔	‡aBibliography: p. [146]-148.
538	⊔	⊔	‡aMode of access: Internet.
650	⊔	0	‡aScience ‡xMethodology.
710	2	⊔	‡aManufactoring Chemists' Association.
CID	⊔	⊔	‡a006197047
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