I. The Claisen Ester Condensation with Ethyl Thiolacetate. II. The Action of Sulphur on N-heptane and N-butane ... by Ralph Baylies Baker ...Ralph Baylies Baker1929
Development of classes for evaluating the condition of Agricultural Conservation Program conifer plantings / William B. Kurtz, Thomas J. Mills, and Ralph J. Alig.William B. Kurtz1980