1. INTRODUCTION

2. SIMULATING SPECTROSCOPIC SURVEYS IN THE IR
2.1. Predicting continuum luminosity functions with the Franceschini et al. (2010) model
2.2. Predicting continuum luminosity functions with the Gruppioni et al. (2011) model
2.3. Predicting continuum luminosity functions with the Valiante et al. (2009) model
2.4. Converting continuum luminosity functions to line or feature luminosity functions

3. RESULTS

4. DISCUSSION: NEW PARAMETER-SPACE COVERAGE BY SPICA AND CCAT

5. SUMMARY