Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Wiley | https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0022-3573&date=1969&volume=21&issue=1&spage=63 | |
subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/jpp/article-lookup/doi/10.1111/j.2042-7158.1969.tb08137.x |