المؤلفون: Ignaczak, Józef, author, Ostoja-Starzewski, Martin, author
الإتاحة: https://doi.org/10.1093/acprof:oso/9780199541645.001.0001Test
المؤلفون: Fabrizio, Mauro, author, Morro, Angelo, author
الإتاحة: https://doi.org/10.1093/acprof:oso/9780198527008.001.0001Test