0000913355-99-000019 SC 13G/A 1 19990217 ANALYSIS & TECHNOLOGY INC 0000310876 8711 952579365 CT 0331 SC 13G/A 34 005-38053 99543862 TECHNOLOGY PARK RTE 2 PO BOX 220 NORTH STONINGTON CT 06359 2035993910 TECHNOLOGY PARK RTE 2 P O BOX 220 NORTH STONINGTON CT 06359 ANALYSIS & TECHNOLOGY INC 0000310876 8711 952579365 CT 0331 SC 13G/A TECHNOLOGY PARK RTE 2 PO BOX 220 NORTH STONINGTON CT 06359 2035993910 TECHNOLOGY PARK RTE 2 P O BOX 220 NORTH STONINGTON CT 06359 SC 13G/A 1 000091335599000019-001-seq1-sc-13g-a.txt AMENDMENT NO. 12 TO SCHEDULE 13D