$myHash{"uno"} = "one";
$myHash{"dos"} = "two";
$myHash{"tres"}->[0] = "three-point-oh";
$myHash{"tres"}->[1] = "three-point-one";
$myHash{"tres"}->[2] = "three-point-two";
$myHash{"quatro"} = "four";

##</code><code>##

@myArray = @{$myHash{"tres"}};   #DeRef & Copy to @myArray

$myArray[3] = "three-point-three";
$myArray[4] = "three-point-four";

##</code><code>##

@{$myHash{"tres"}} =  @myArray;    #Copies Array to Hash
$myHash{"tres"} =  \@myArray;      #Copies Ref to Hash

##</code><code>##

\@myArray = $myHash{"tres"};