69	pubsecmat_a1981v23.jpg
590	pubsecmat_a1981v23p101.pdf
119	pubsecmat_a1981v23p133.pdf
101	pubsecmat_a1981v23p139.pdf
1143	pubsecmat_a1981v23p5.pdf
199	pubsecmat_a1981v23p69.pdf
444	pubsecmat_a1981v23p81.pdf
49	pubsecmat_a1981v23p99.pdf
1714	+
4428	.