Dear Edward, please search ...
Published by Anil Kumar, WATER AND SANITATION SUPPORT ORGANIZATION, HIMACHAL PRADESH, SHIMLA, INDIA - CONSULTANT HRD/IEC (WATSAN)
Dear Edward, please search "Constructing an ecosan toilet -- A film from UNICEF" on google and find this documentary film on you tube Ecosan toilets. or give me ur email id so that ican email it to you. kind regards. Anil