00504nam a22001937a 4500 4237 OCLRC 20260730040137.0 160512t xxu||||| |||| 00| 0 eng d OCLRC GC 500 Is 14 1963 Isaacs, Alan Introducing science: with forty-eight text figures Alan Isaacs England Penguin Books 1963 244p. 18cm. Includes index Science BOOK GC 500 Is14 1963 4237 4237