Torthaí cuardaigh
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1
Night visibility 1956 presented at the Thirty-fifth Annual Meeting, January 17-20, 1956.
Foilsithe / Cruthaithe 1957LEABHAR -
2
Night visibility 1957 presented at the Thirty-sixth Annual Meeting, January 7-11, 1957.
Foilsithe / Cruthaithe 1957LEABHAR -
3
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4
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5
Studies in night visibility presented at the Thirtieth Annual Meeting, 1951.
Foilsithe / Cruthaithe 1951LEABHAR -
6
Night visibility presented at the Thirty-third Annual Meeting, January 12-15, 1954.
Foilsithe / Cruthaithe 1954LEABHAR -
7
Night visibility 1955 presented at the Thirty-fourth Annual Meeting, January 11-14, 1955.
Foilsithe / Cruthaithe 1956LEABHAR -
8
Night visibility 1959 presented at the 38th Annual Meeting, January 5-9, 1959.
Foilsithe / Cruthaithe 1959LEABHAR -
9
Night visibility 1960 ; presented at the 39th Annual Meeting, January 11-15, 1960.
Foilsithe / Cruthaithe 1960LEABHAR -
10
Night visibility, 1961 presented at the 40th annual meeting, January 9-13, 1961.
Foilsithe / Cruthaithe 1961LEABHAR
