Online Services

ChemSpider is a free chemical structure database providing fast access to over 100 million structures, properties and associated information.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. Advantages in terms of availability, coverage, timeliness, and efficiency. Isaac Councill and C. Lee Giles.

The dblp computer science bibliography is the online reference for open bibliographic information on major computer science journals and proceedings.

Portal Dialnet

ERIC is an online library of education research and information, sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education.

Discover inspiring cultural heritage from European museums, galleries, libraries and archives

RECOLECTA o Recolector de Ciencia Abierta es una plataforma que agrupa a todos los repositorios científicos nacionales.

Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

Infoscience - Infoscience

The home of scholarly research, Ingenta Connect is your gateway to the world's most comprehensive collection of academic & professional digital content.

European Open Science Infrastructure, for open scholarly and scientific communication

The home of expert peer review. Reviewer recognition, training, post-publication review and statistics

Sistema de Información Científica Redalyc. Red de Revistas Científicas. Acceso abierto sin fines de lucro propiedad de la academia.

Access 130+ million publications and connect with 20+ million researchers. Join for free and gain visibility by uploading your research.

Research Square is a preprint platform that makes research communication faster, fairer, and more useful.

Subscription and open access journals from SAGE Publishing, the world's leading independent academic publisher.

ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.

Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;

Improve your academic writing with Nature Research Editing Service ✯ English Editing ✯ Scientific Editing ✯ Expert editors in your subject area

Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.

The National Academies Press (NAP) publishes authoritative reports issued by The National Academies of Science, Engineering, and Medicine (NASEM).