000 00249nam a2200073 4500
080 _a
_b
245 _aBS-1991 (Part 3) - 1961; Recommendations for letter symbols, signs and abbreviation Part 3 fluid Mechanics
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1961
300 _a36p
999 _c24702
_d24702