Hellman, Hal, 1927- Defense mechanisms: from virus to man, [electronic resource] / by Hal Hellman.. — [1st ed.]. — New York, : Holt, Rinehart and Winston, [1969]. — 150 p. : illus. 24 cm.
Bibliography: p. 141-145.
Анотація: Discusses defense mechanisms such as camouflage, flight, regeneration, chemical warfare, fighting, senses, and adaptation that are used by living organisms to cope with threats to their existence.