na JATIM-06090000020375 20090625112515.0 ind 0010-060900000020375 0 372 WOR t WORVILL, Roy 0 Time, Calendars and clocks Cet 1 London Ladybird 1973 51 hlm; ilus; 15 cm 0 0 WAKTU JIPDSUR 1 0