000 00487 a2200241 4500
001 259792
020 _a
041 _aeng
080 _aDDEnv TRRL R RLR : 518 : 1972
245 _aPractical imlementation of combination method and tramyt programs
250 _a
260 _aTRRL
260 _bBerkshire
260 _c1972
300 _a17 p.
300 _c
856 _u
490 _aDEnv TRRL R RLR : 518 : 1972
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c211374
_d211374