Amitosh, De .
Heavy earth moving machinery / Textual Documents Amitosh DE. - 1 / . - Newdelhi : Papyrus publishing house , 1989. - 190 ; .
631.37 / AMI/HE
Heavy earth moving machinery / Textual Documents Amitosh DE. - 1 / . - Newdelhi : Papyrus publishing house , 1989. - 190 ; .
631.37 / AMI/HE