TY - BOOK ED - PUSAT PENYELIDEKAN JPT. TI - Calibration of Control Drop at Puchong PY - 0000///[date of publication not identified] CY - Pusat Penyelidikan DID Ampang KW - Engineering KW - Structural KW - Malaysia, Selangor N1 - DID Research Station Memorandum No. 147 of 1969 ER -