000 00272 a2200121 4500
080 _a541.132.3
_bW 742 M
245 1 _apH meters
_cby A. Wilson
260 _aLondon
_bKogan Page
_c1970
650 _apH Meters
100 1 _aWilson, A.
_d
300 _a120 p.
901 _a110014
999 _c26635
_d26635