before_sent:  Making Real Options Really Work . Harvard Business Review, 82(12): 134Dixit , A. K. & Pindyck, R. S. 1994.
before_sent_with_intent: <others>  Making Real Options Really Work . Harvard Business Review, 82(12): 134Dixit , A. K. & Pindyck, R. S. 1994.
after_sent:  Making real options really work . Harvard Business Review, 82(12): 134Dixit , A. K. & Pindyck, R. S. 1994.