1991
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|---|---|---|
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January
January; 19 (1): 1 - 208 January; 19 (2): 209 - 425 |
February
February; 19 (3): 427 - 698 February; 19 (4): 701 - 981 |
March
March; 19 (5): 983 - 1178 March; 19 (6): 1179 - 1358 |
|
April
April; 19 (7): 1359 - 1738 April; 19 (8): 1739 - 1980 |
May
May; 19 (9): 2251 - 2536 May; 19 (10): 2539 - 2816 |
June
June; 19 (11): 2817 - 3184 June; 19 (12): 3185 - 3485 |
|
July
July; 19 (13): 3487 - 3792 July; 19 (14): 3793 - 4044 |
August
August; 19 (15): 4045 - 4332 August; 19 (16): 4333 - 4593 |
September
September; 19 (17): 4595 - 4817 September; 19 (18): 4819 - 5113 |
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October
October; 19 (19): 5115 - 5482 October; 19 (20): 5483 - 5813 |
November
November; 19 (21): 5815 - 6084 November; 19 (22): 6085 - 6365 |
December
December; 19 (23): 6367 - 6688 December; 19 (24): 6691 - 7039 December; 19 (25): 7041 - 7259 |