Original issue, DIA Publication, 39 pages, size is 8" x 10 1/2", stapled, dated May 1977.  This is not a commercial copy or print but an original issue government print issued in 1977.  This publication is titled - DDI 1150-13-17, Defense Intelligence Agency, Soviet and Warsaw Pact River Crossing:  Doctrine and Capabilities.  Publiction is designed to provide information on the doctrine and capabilities of Soviet and Warsaw pact river crossing.  Very well illustrated using photographs and line drawings.