Westman, Volek and Phinney were among the contributers (and Westman headlined) the following, partially Atkins Foundation funded, review:
Low-carbohydrate Nutrition and Metabolism
I can't recommend reading this highly enough.
I've listed the references in a separate post, numbered (the formatting farkled the last few but I'll let you count ;) )
For a non-gimmicky discussion of how low carb diets REALLY work for weight loss, this is where it's at!