Trinil-Situs Manusia Purba di Ngawi, Jawa Timur (Seri Rumah Peradaban)Truman Simanjuntak, Gerrit Alink, Wil Roebroeks · First published 2019Open the Tome
Natural and Synthetic EstrogensHelga Stopper and Gerrit M. Alink Elke Dopp · First published 2002Open the Tome
