APA

Collan H. K., . (1971). Some heat capacity and thermometric investigations at ultralow temperatures. Helsinki: Dept. of Technical Physics, Univ. of Technology.

Chicago

Collan Heikki K, . 1971. Some heat capacity and thermometric investigations at ultralow temperatures. Helsinki: Dept. of Technical Physics, Univ. of Technology.

Harvard

Collan H. K., . (1971). Some heat capacity and thermometric investigations at ultralow temperatures. Helsinki: Dept. of Technical Physics, Univ. of Technology.

MLA

Collan Heikki K, . Some heat capacity and thermometric investigations at ultralow temperatures. Helsinki: Dept. of Technical Physics, Univ. of Technology. 1971.