Robert A. Long

Robert A. Long's books

Noninvasive Survey Methods for Carnivores

4.33 avg rating — 9 ratings

Dawn of the Dinosaurs: The Triassic in Petrified Forest

4.33 avg rating — 3 ratings

Score! specification system for herd improvement: A field guide for sorting cattle by composition & structure

0.00 avg rating — 0 ratings