Milankovitch

Akba Ben Nafi bifilar electromagnetic oscillograph brainstormers cuphocera varia current column low electrolyte media net active electric power nonscandalous oil slick spread P-Lim percussion type vibratory pile hammer perforated panel sound-absorbing material phosphatase activity regest sagard straddle sprocket milling cutter ternatin tube-fin exchangers Veratrum dahuricum Loes. yagami