6.2.3.5. ÌÅÒÎÄÛ ØÊÀËÈÐÎÂÀÍÈß Â ÝÊÑÏÅÐÈÌÅÍÒÀÕ
ÔÅÕÍÅÐ Ãóñòàâ Òåîäîð (1801 - 1887)
ÑÒÈÂÅÍÑ Ñòýíëè Ñìèò (1906 – 1973)