0000354204-99-000021 SC 13G 1 19990211 APPLIED EXTRUSION TECHNOLOGIES INC /DE 0000874389 3081 510295865 DE 0930 SC 13G 34 005-42039 99531342 3 CENTENNIAL DRIVE PEABODY MA 01960 9785381500 3 CENTENNIAL DR PEABODY MA 01960 DIMENSIONAL FUND ADVISORS INC 0000354204 0000 22370029 IL 1231 SC 13G 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401 SC 13G 1 000035420499000021-001-seq1-sc-13g.txt 1998 SCHEDULE 13G - APPLIED EXTRUSION TE