R W Langhans

Challenges to plant growing in space.

R W Langhans, D R Dreesen, R. Langhans, 1988, HortScience : a publication of the American Society for Horticultural Science.

Consideration in selecting crops for the human-rated life support system: a Linear Programming model.

R W Langhans, D Wilcox, L D Albright, 1996, Advances in space research : the official journal of the Committee on Space Research.

A model for plant lighting system selection.

R W Langhans, L D Albright, J C Sager, 2002, Transactions of the ASAE. American Society of Agricultural Engineers.