Trefil, James S., 1938- The nature of science : an A-Z guide to the laws and principles governing our universe / James Trefil - Boston : Houghton Mifflin, 2003 - xxix, 433 p. ISBN: 0618319387 Subjects--Topical Terms: Science--Encyclopedias. LC Class. No.: Q 121 / T786n 2003