Project no. 20 -- Studies of cold weather clothing. Report on sub-project 20-1, The effect of leakage from closures upon thermal protection (OQMG test number 57 I-A)
Report on sub-project 20-1, The effect of leakage from closures upon thermal protection (OQMG test number 57 I-A) and Effect of leakage from closures upon thermal protection (OQMG test number 57 I-A)