While not particularly trying hard searching...I would estimate about 20 to 25 paper exist on either activities at MDRS or FMARS...with some papers on just analog suits coming out in the near future...

SAE Technical Papers
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Document Number: 1999-01-2140

Title: The Mars Surface Habitat: Issues Derived From Design of a Terrestrial Polar Analog

Meeting Where Presented: International Conference On Environmental Systems, July 1999, Denver, CO, USA, Session: Aerospace Architecture

AUTHOR(S):
Kurt Anthony Micheels - Seeds