20100611d2007    k  y0rusy50      ca <br/><br/>
 - Заглавие с титульного листа Электронная версия печатной публикации 
<br/><br/><label>Subjects--Corporate Names: </label><br/>comparative characteristics<br/>humic acids<br/>peat<br/>Tomsk region<br/>comparative analysis<br/>element composition<br/>infrared spectra<br/>paramagnetic resonance<br/>electron resonance<br/>biological activity<br/>erythrocytes<br/>biological properties<br/>chemical composition<br/>sedge type<br/>aromatic systems<br/>polyconjugation<br/>nitrogen<br/>acid groups<br/>электронный ресурс