Thompson, Paul D. creator Lybarger, Mary illus. text bibliography pau Philadelphia Lippincott [1969] 1969 [1st ed.] monographic eng

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192 p. illus. 21 cm. Describes the series of biochemical discoveries about the chemical makeup of protoplasm and how these relate to theories about the origins of life. juvenile [by] Paul D. Thompson. Helen Hale, editorial consultant. Illus. by Mary Lybarger. Bibliography: p. [185]-186. Chemical evolution Juvenile literature Life Origin QH325 .T48 577/.013 78082399 /AC/r89 700702 20160527190908.0 128207