Трофимова фирсов задачник по физике
Cambridge University Press, 2018. — 464 p. — ISBN 978-1-108-42334-2. Why do elephants have sturdier thigh bones than humans? Why can't ostriches.
Cambridge University Press, 2018. — 464 p. — ISBN 978-1-108-42334-2. Why do elephants have sturdier thigh bones than humans? Why can't ostriches.