TY - GEN AU - Simmons, John A AU - Wit, R De AU - Bullough, R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.317v1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Fundamental aspects of dislocation theory: ER -