ISBN 094428017X books & textbook
Maiasaura: The Good Mother Dinosaur (Dinosaur Discovery Era)
Sandell, Elizabeth J. Oelerich, Marjorie L. Hansen, Harlan S. Vista III Design
Bancroft Sage Pub /1989-01-01 Hardcover / 31 Pages
isbn-10: 094428017X / isbn-13: 9780944280171
