000 003380000a22001210004500
245 _aManual prepared for the World Health Organization
110 _aHoward Humphreys & Sons
260 _aReading
_c1971
500 _a7 parts (49 p.; 13 p.; 35 p.; 34 p.; 25 p.; 26 p.; 166 p.)
080 _a628(047.3)
_bH6
041 _aEN
942 _cBK
999 _c95757
_d95757