Ramsey, Norman, 1915-2011. Molecular beams. - Oxford : Clarendon Press, 1956. - 466 p. il. 25 cm. - The International series of monographs on physics . - International series of monographs on physics (Oxford, England) . Subjects--Topical Terms: HACES MOLECULARESMOLECULAR BEAMS Universal Decimal Class. No.: 539.198