Article PDF
Use our pre-submission checklist
Avoid common mistakes on your manuscript.
Rights and permissions
About this article
Cite this article
Twyford, L. A comparison of principles training and specific training using several types of training devices. ETR&D 4, 251 (1956). https://doi.org/10.1007/BF02717118
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF02717118