TY  - BOOK
AU  - Qureshi Ibrahim Mohammad Pir 
TI  - Controlled fall a new device.
U1  - 621.2 CON 1964 
PY  - 1964///
CY  - Lahore
PB  - West Pakistan Agricultural Development Corporation
KW  - Mathematics
KW  - Report
N1  - Chapter I-Fourth law of (failing) Liquids; Chapter-II Mathemical Treatment; Chapter-III Other uses of the new device
ER  -