TY  - JOUR
AU  - Campbell Watkins
PY  - 1990/04//
TI  - Empirical Modelling of Canadian Petroleum Exploration Activity
JO  - The Energy Journal
VL  - Volume 11
DO  - 10.5547/ISSN0195-6574-EJ-Vol11-No2-14
IS  - 2
KW  - 
SN  - 1944-9089
UR  - http://www.iaee.org/en/publications/ejarticle.aspx?id=2013