00439nam a2200121Ia 4500020001800000082001900018245010300037260005900140300001000199504001900209650004600228650004300274  a0-88936-084-7  aRR 025.04 DEV- 0aDevsis: the preliminary design of an international information system for the development sciences  aOttawabInternational Development Research Centrc1976  a247p.  aIncludes index  aInformation storage and retrieval systems  aDevis (International retrieval system)