•
Th e ·
Journ al of the Asso ciatio n for Petrol eum and Explosives Admin istrati on
1 )
.~.}~~. p:1 .
~~~:,_·
~.::~;i .
~~
;-}j~I'
'{:.,'':!
~i.:t ~; ~· ·· '-i
.,t:·t
,·...'
~~
l' . II.' ~
I
·· . ~
..
t;:!. :,, .
'
•4 ' t."
'
t
~
. '
..
.,
VOLU ME 37
No" 3