LEADER 00000nam 2200193 a 4500 001 1019565 003 UkHlHU 007 t 008 000510 4 1991 000 eng 020 0198563493 040 UkHlHU 050 4 QC 94 C7 100 1 Cook, James L. 245 10 Conversion factors. 260 Oxford :|bOxford University Press,|c1991. 300 160p. 946 6XX absent