000 00361nam a2200133Ia 4500
008 191206s9999 xx 000 0 und d
090 _aQC21.W32
245 0 _aSenior physics
260 _aNelson
260 _bScience for tropical secondary schools
260 _cc1965-1966
300 _a"2 v. illus., maps, tables, diagrs. 22 cm."
999 _c16880
_d16880