00447nam a2200181Ia 4500008004100000041001200041082001200053082001100065100001900076100001100095245005100106260001400157260003500171260000900206650001000215650001800225650002200243150909s9999 xx 000 0 und d aEnglish a574.192 bWHI/CH aWhite Emil H  eAuthor aChemical background for the biological science aNew Delhi bPrentice-hall of India Pvt Ltd c1969 aAtoms aBio chemistry aOrganic chemistry