00602     2200169   4500001002100000008004100021035002000062245011400082100003600196260006900232300004900301082001600350650001100366650001800377650002300395990001400418INLIS000000000003784                                   Ind    a0010-1118003784  aFish populations and invertebrates in some head waters of the River Dee and Spey, 1983-1985cMORRISON, B.R.S.  aB.R.S. Morrison and R. Harriman  aTorrybThe scotish Office Agric. and Fisheries Departementc1992  a19 p.: ill.; 30 cm.--c19 p.: ill.; 30 cm.--  a639.2.053.2  aFISHES  aINVERTEBRATES  aPOPULATION DENSITY  a825/MS/93