--- a/src/app/query-app.module.ts	Fri Mar 17 20:16:52 2017 +0100
+++ b/src/app/query-app.module.ts	Mon Mar 20 18:12:48 2017 +0100
@@ -1,17 +1,22 @@
 import { NgModule }      from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
+import { FormsModule } from '@angular/forms';
+import { HttpModule } from '@angular/http';
 
 import { QueryAppComponent }  from './query-app.component';
 import { QuerySelectComponent }  from './query-select.component';
 import { QueryResultComponent }  from './query-result.component';
 import { QueryResultRowComponent }  from './query-result-row.component';
 //import { QueryResultTableComponent }  from './query-result-table.component';
+import { QueryService } from './query.service';
+import { NormalizationService } from './normalization.service';
 
 
 @NgModule({
-  imports:      [ BrowserModule ],
+  imports:      [ BrowserModule, FormsModule, HttpModule ],
   declarations: [ QueryAppComponent, QuerySelectComponent, 
                   QueryResultComponent, QueryResultRowComponent ],
+  providers:    [ QueryService, NormalizationService ],
   bootstrap:    [ QueryAppComponent ]
 })
 export class AppModule { }