%0 Journal Article %T Helix‐coil stability constants for the naturally occurring amino acids in water. XIII. The presence of by‐products in amino‐acid analysis of copolymers and their effect on the guest parameters; recomputed values of σ and s for L ‐serine %A Van Nispen, J. W. %A Hill, D. J. %A Scheraga, H. A. %J Biopolymers %V 16 %N 7 %P 1587-1592 %@ 0006-3525 %D 1977-07-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve