00390nam a2200157Ia 4500008004100000020000900041035001000050082001300060100001600073245006900089250000600158260003800164300000800202500000600210650001600216210723s9999||||xx |||||||||||||| ||und|| aNULL a24241 a510BABB aAbbott , P. 0aTechnical College Series National Certificate Mathematics Vol- 2 a- aLondonbEnglish Universites Press a412 a0 aMathematics