POPA, Viorel Cercetări privind transportul lichidelor criogene (oxigen, azot, aer) prin linii de transfer : teză de doctorat / Viorel Popa - Galați ; 1998 - 166 p. ; 30 cm Bibliogr. Source: 191842 Subjects--Chronological Terms: Subjects--Topical Terms: Subjects--Geographic Terms: Index Terms--Genre/Form: Universal Decimal Class. No.: 621.6(043)