المؤلفون: Daniels, Mark R
العلاقة: http://links.jstor.org/sici?sici=0002-8282%281969%2959%3A1%3C159%3ADIEAII%3E2.0.CO%3B2-A&origin=repecTest
الإتاحة: http://links.jstor.org/sici?sici=0002-8282%281969%2959%3A1%3C159%3ADIEAII%3E2.0.CO%3B2-A&origin=repecTest
المؤلفون: Daniels, Mark R.
العلاقة: https://www.cambridge.org/core/product/identifier/S0003055400247163/type/journal_articleTest
الإتاحة: https://www.cambridge.org/core/product/identifier/S0003055400247163/type/journal_articleTest
العلاقة: https://www.cambridge.org/core/product/identifier/S0003055400253537/type/journal_articleTest
الإتاحة: https://www.cambridge.org/core/product/identifier/S0003055400253537/type/journal_articleTest