00389nam a2200157Ia 45000010006000000050017000060080041000230410008000640820017000721000026000892450060001152600009001753000031001846500008002156540008002232267220260414150846.0260414t2013||||xx |||||||||||||| ||spa|| aESP a621.384bJ67 aJohnson, Eric E.eAUT 0aThird-generation and wideband HF radio communicationsb c2013 ax, 250 páginas :c26 cm. aTCA aCET