Propagation curves

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245 0 0 ‡aPropagation curves.
260 ⊔ ⊔ ‡a[New York : ‡bBell Telephone Laboratories, inc., ‡c19uu]
300 ⊔ ⊔ ‡a78 p. : ‡bchiefly charts ; ‡c11 x 15 cm.
500 ⊔ ⊔ ‡aAt head of title: National Defense Research Committee, Division 15.
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 0 ‡aRadio ‡xAntennas.
650 ⊔ 0 ‡aRadio ‡xTransmitters and transmission ‡vHandbooks, manuals, etc.
650 ⊔ 0 ‡aRadio in aeronautics ‡vHandbooks, manuals, etc.
650 ⊔ 0 ‡aRadio wave propagation ‡vHandbooks, manuals, etc.
710 1 ⊔ ‡aUnited States. ‡bOffice of Scientific Research and Development. ‡bNational Defense Research Committee.
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DAT 1 ⊔ ‡a20120815134330.0 ‡b2024-08-29T18:17:30Z
DAT 2 ⊔ ‡a2024-08-29T17:30:02Z
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