How to interpret a reference: (exercises)
1. In Kennedy, Donald. An unfortunate U-turn on carbon. Science. 2001, 291(5513), 2515., what does the number 291 refer to?
2. In Karabelas, K.; Westerlund, C.; Halberg, A. J. Org. Chem. 1985, 50, 3896., what does the number 3896 refer to?
3. In Kennedy, Donald. An unfortunate U-turn on carbon. Science. 2001, 291(5513), 2515., what is the title of the journal?
4. The presence of what distinguishes a journal article from a book?
5. Nakanishi, Koji. Natural products as sources of pest management agents. ACS Symp. Ser. (1994), 551(Natural and Engineered Pest Management Agents), 11-24. What is the title of the book mentioned here?