@other{https://resolver.caltech.edu/CaltechCSTR:1990.cs-tr-90-15, title = "A Unified Framework for Constraint-Based Modeling", year = "1990", url = "https://resolver.caltech.edu/CaltechCSTR:1990.cs-tr-90-15", id = "record", doi = "10.7907/hnbeh-6xc79" }