The Amphibians and Reptiles of Sulawesi. Buku Pengenalan Lapangan. Bogor, Yayasan Hayati. The Amphibians of Java and Bali. The Field Guide Series Bogor, Yayasan Hayati.
Colossal study shows amphibian woes.
The mystery of the disappearing frogs. The amphibian crisis. The consequences for amphibians of the conversion of natural mixed-species forests to conifer plantations in southern New Brunswick.