TY - JOUR AU - Conrad Bock AU - Charles Galey C2 - Journal of Engineering Design DA - 2019-07-18 DO - https://doi.org/10.1080/09544828.2019.1642461 LA - en M1 - 30 PB - Journal of Engineering Design PY - 2019 TI - Integrating four-dimensional ontology and systems requirements modelling ER -