00425cam a2200169 i 45000010005000000030003000050050017000080080041000250350018000660350017000840400008001010500021001091000017001302450044001472600034001913000030002257267UR20220428112753.0060510s1972    espa          000 0 spa c  a(janium) 7256  a(janium)7256  aUAL 4aTN690b.C34 19721 aCalvo, F. A.10aMetalografía práctica/cF. A. Calvo  aMadrid [etc.]bAlhambrac1972  aVII, 119 p.bil. bl. y n.