They compared vertebrae discovered in 1987 to more complete remains to make this new estimate
Scientists Discovered a New Dinosaur That Is a Mini-Brontosaurus With Spikes
The Paleontologist by Luke Dumas, Paperback
New dinosaur found in Spain illuminates history of meat-eating group
Science and Technology News
ScienceShot: Long-Nosed Dino Was No Fluke, Science, dino
This dinosaur had a neck longer than a school bus
How long was it before we knew what a dinosaur really looked like? When were they first discovered and researched by archaeologists/paleontologists? - Quora
Brachiosaurus: Facts About the Giraffe-like Dinosaur
New fossil shows dinosaur with longest neck ever - BBC Newsround
How Dinosaurs Grew the World's Longest Necks
Why does everyone say that Tyrannosaurus is the strongest meat
Jurassic dinosaur Mamenchisaurus sinocanadorum had nearly 50-foot neck, study finds - Newsday
100 Fun Facts About Dinosaurs That'll Blow Your Mind - The Fact Site
Pictures and Profiles of Sauropod Dinosaurs
It would have feared nothing': fossils of massive 60 tonne dinosaur discovered in Argentina