论文信息 - Martensitic Transitions and Magnetocaloric Properties in Mn<sub>49–<italic>x</italic></sub>Co<sub><italic>x</italic></sub>Ni<sub>41</sub>Sn<sub>10</sub> (<inline-formula> <tex-math notation="LaTeX">$x = 0$ </tex-math></inline-formula>–4) Ribbons