Informative bulletines "BOOKS" 2015
N 1/2	N 16/17	N 31/32	N 45
N 3/4	N 18/19	N 33	N 46
N 5	N 20/21	N 34	N 47
N 6	N 22/23	N 35/36	N 48/49
N 7/8	N 24	N 37	N 50
N 9/10	N 25	N 38/39	N 51/52
N 11/12	N 26/27	N 40/41
N 13/14	N 28	N 42
N 15	N 29/30	N 43/44