TY - BOOK ID - 2441572 TI - Directory of institutions & individuals active in environmentally-sound & appropriate technologies PY - 1979 VL - vol 1 SN - 0080256589 DB - UniCat KW - Technology KW - Technologie KW - Directories KW - Répertoires KW - Répertoires UR - https://www.unicat.be/uniCat?func=search&query=sysid:2441572 AB - ER -