TY - JOUR A1 - Malcolm, S A A1 - ReVelle, C T1 - Rebuilding migratory flyways using directed conditional covering Y1 - 2002/06/ N1 - R825996 JF - ENVIRONMENTAL MODELING & ASSESSMENT J1 - ENVIRON MODEL ASSESS VL - 7 IS - 2 SP - 129 EP - 138 ER -