it-2 “Perseveranza” par. 6

mwb24.03 p. 4

w23.01 pp. 12-13 parr. 15-16

ijwbv articolo 46

mwb19.04 p. 3

w17.02 pp. 29-30

w16.04 p. 14 par. 6

w15 15/4 p. 25 par. 8

w14 15/4 p. 21 par. 17

w12 15/4 p. 27 parr. 1-2

w10 15/11 pp. 27-28

w09 15/5 p. 22 par. 9

w08 15/3 p. 13 par. 7

kp p. 26 par. 12

w01 15/3 pp. 11-14 parr. 4-17

w96 15/6 p. 11

w91 1/10 pp. 10-11

w87 15/3 p. 25