TY - JOUR AB - It is about fifteen years since the word hypersonic was used to distinguish the characteristics of the flow of a gas at high Mach numbers, say greater than five, from those of a gas at low, supersonic Mach numbers. VL - 32 IS - 8 SN - 0002-2667 DO - 10.1108/eb033290 UR - https://doi.org/10.1108/eb033290 AU - D.J.M. PY - 1960 Y1 - 1960/01/01 TI - The Library Shelf T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 238 EP - 238 Y2 - 2024/09/19 ER -